docs: add community governance and contribution guidelines

Add comprehensive community documentation including Code of Conduct, contributing guidelines, security policy, and GitHub templates for issues and pull requests.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: ericyangpan

.github/CODEOWNERS

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+# CODEOWNERS file for AI Coding Stack
+# This file defines who should review pull requests for specific parts of the codebase.
+#
+# Syntax: path/pattern @username @team
+# Lines are matched from top to bottom, last match wins.
+#
+# Learn more: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# Default owners for everything in the repo
+# TODO: Replace with actual GitHub usernames of maintainers
+* @aicodingstack/maintainers
+
+# Manifest files - require review from maintainers
+# This is the most important contribution area
+/manifests/**/*.json @aicodingstack/maintainers
+
+# Schema files - require careful review as they affect validation
+/manifests/schemas/**/*.json @aicodingstack/maintainers
+
+# Build and validation scripts - require careful review
+/scripts/**/*.mjs @aicodingstack/maintainers
+
+# GitHub Actions workflows - require review for security
+/.github/workflows/**/*.yml @aicodingstack/maintainers
+
+# Configuration files
+/package.json @aicodingstack/maintainers
+/tsconfig.json @aicodingstack/maintainers
+/next.config.mjs @aicodingstack/maintainers
+/wrangler.toml @aicodingstack/maintainers
+
+# Documentation - can be reviewed by broader team
+/docs/**/*.md @aicodingstack/maintainers
+/README.md @aicodingstack/maintainers
+/CONTRIBUTING.md @aicodingstack/maintainers
+
+# Application code - reviewed by maintainers
+/src/**/*.ts @aicodingstack/maintainers
+/src/**/*.tsx @aicodingstack/maintainers
+
+# Content files (MDX) - can be reviewed by content team
+/content/**/*.mdx @aicodingstack/maintainers

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a bug or issue with the AI Coding Stack website
+title: "[Bug]: "
+labels: ["bug", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report a bug! Please provide as much detail as possible to help us resolve the issue quickly.
+
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Bug Description
+      description: A clear and concise description of what the bug is
+      placeholder: What went wrong?
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Steps to reproduce the behavior
+      placeholder: |
+        1. Go to '...'
+        2. Click on '...'
+        3. Scroll down to '...'
+        4. See error
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: What did you expect to happen?
+      placeholder: Describe what you expected to see
+
+  - type: textarea
+    id: actual-behavior
+    attributes:
+      label: Actual Behavior
+      description: What actually happened?
+      placeholder: Describe what actually happened
+
+  - type: dropdown
+    id: severity
+    attributes:
+      label: Severity
+      description: How severe is this bug?
+      options:
+        - Low - Minor issue, workaround available
+        - Medium - Affects functionality but not critical
+        - High - Major functionality broken
+        - Critical - Site is unusable
+    validations:
+      required: true
+
+  - type: input
+    id: url
+    attributes:
+      label: Affected URL
+      description: Which page is affected?
+      placeholder: https://aicodingstack.io/...
+
+  - type: dropdown
+    id: browser
+    attributes:
+      label: Browser
+      description: Which browser are you using?
+      options:
+        - Chrome
+        - Firefox
+        - Safari
+        - Edge
+        - Other
+
+  - type: input
+    id: browser-version
+    attributes:
+      label: Browser Version
+      description: What version of the browser?
+      placeholder: e.g., Chrome 120.0.6099.109
+
+  - type: dropdown
+    id: device
+    attributes:
+      label: Device
+      description: What device are you using?
+      options:
+        - Desktop (Windows)
+        - Desktop (macOS)
+        - Desktop (Linux)
+        - Mobile (iOS)
+        - Mobile (Android)
+        - Tablet
+
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to help explain the problem
+      placeholder: Drag and drop images here or paste image URLs
+
+  - type: textarea
+    id: console-errors
+    attributes:
+      label: Browser Console Errors
+      description: Any errors in the browser console? (F12 → Console tab)
+      placeholder: Paste any error messages here
+      render: shell
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Any other context about the problem
+      placeholder: Add any other information that might help
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Pre-submission Checklist
+      options:
+        - label: I have searched for similar issues and this is not a duplicate
+          required: true
+        - label: I have provided all the requested information
+          required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: GitHub Discussions
+    url: https://github.com/aicodingstack/aicodingstack.io/discussions
+    about: Ask questions and discuss ideas with the community
+  - name: Documentation
+    url: https://github.com/aicodingstack/aicodingstack.io/blob/main/docs
+    about: Read the technical documentation
+  - name: Schema Documentation
+    url: https://github.com/aicodingstack/aicodingstack.io/tree/main/manifests/schemas
+    about: View JSON schema documentation for manifests

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature or enhancement for AI Coding Stack
+title: "[Feature]: "
+labels: ["enhancement", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for your interest in improving AI Coding Stack! We appreciate your ideas for new features.
+
+  - type: dropdown
+    id: feature-type
+    attributes:
+      label: Feature Type
+      description: What type of feature are you requesting?
+      options:
+        - New website functionality
+        - Improvement to existing feature
+        - New data/metadata field
+        - Better search/filter capabilities
+        - UI/UX enhancement
+        - Performance improvement
+        - Other
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem Statement
+      description: Is your feature request related to a problem? Please describe.
+      placeholder: I'm frustrated when... / It would be helpful if...
+    validations:
+      required: true
+
+  - type: textarea
+    id: solution
+    attributes:
+      label: Proposed Solution
+      description: Describe the solution you'd like
+      placeholder: A clear and concise description of what you want to happen
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives Considered
+      description: Describe any alternative solutions or features you've considered
+      placeholder: What other approaches could work?
+
+  - type: dropdown
+    id: priority
+    attributes:
+      label: Priority
+      description: How important is this feature to you?
+      options:
+        - Nice to have
+        - Would improve my experience
+        - Important for my use case
+        - Critical functionality
+    validations:
+      required: true
+
+  - type: textarea
+    id: use-case
+    attributes:
+      label: Use Case
+      description: Describe your specific use case for this feature
+      placeholder: |
+        Who would benefit from this feature?
+        How would you use it?
+        What problem does it solve?
+
+  - type: textarea
+    id: mockups
+    attributes:
+      label: Mockups or Examples
+      description: If applicable, add mockups, sketches, or examples from other sites
+      placeholder: Drag and drop images here or paste links to similar features
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context or information about the feature request
+      placeholder: Any other details that might help
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Pre-submission Checklist
+      options:
+        - label: I have searched for similar feature requests and this is not a duplicate
+          required: true
+        - label: This feature aligns with the project's goals
+          required: true