📖 Add GitHub repository setup instructions

- Step-by-step guide for creating the template repository
- Instructions for configuring as GitHub template
- Topics and tags for discoverability
- Release creation guidelines
- GitHub Actions enablement steps

Author: admin-hl

GITHUB-SETUP.md

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+# 🚀 GitHub Repository Setup Instructions
+
+## Step 1: Create GitHub Repository
+
+1. **Go to GitHub.com** and sign in to the HalbonLabs account
+2. **Click "New repository"** or go to: https://github.com/new
+3. **Fill out repository details**:
+   - **Repository name**: `universal-backup-system-template`
+   - **Description**: `🛡️ Universal Backup & Checkpoint System - A framework-agnostic Git-based backup system for any development project. Features security validation, monitoring, CI/CD, and team notifications.`
+   - **Visibility**: Public ✅
+   - **Initialize repository**: ❌ DO NOT check any boxes (we already have files)
+
+4. **Click "Create repository"**
+
+## Step 2: Configure Repository as Template
+
+After creating the repository:
+
+1. Go to **Settings** tab
+2. Scroll down to **Template repository** section
+3. ✅ **Check "Template repository"**
+4. **Save settings**
+
+## Step 3: Add Topics/Tags
+
+In the repository main page:
+1. Click the **⚙️ gear icon** next to "About"
+2. Add these **topics**:
+   - `backup-system`
+   - `checkpoint`
+   - `git-automation`
+   - `powershell`
+   - `security`
+   - `monitoring`
+   - `ci-cd`
+   - `template`
+   - `cross-platform`
+   - `framework-agnostic`
+
+## Step 4: Push the Code
+
+Run this command from the backup-system-template directory:
+
+```powershell
+git remote add origin https://github.com/HalbonLabs/universal-backup-system-template.git
+git branch -M main
+git push -u origin main
+```
+
+## Step 5: Create Release
+
+After pushing:
+1. Go to **Releases** tab
+2. Click **"Create a new release"**
+3. **Tag version**: `v1.0.0`
+4. **Release title**: `Universal Backup System Template v1.0.0`
+5. **Description**: Use the release notes from TEMPLATE-SUMMARY.md
+6. ✅ **Check "Set as the latest release"**
+7. **Publish release**
+
+## Step 6: Enable GitHub Actions
+
+1. Go to **Actions** tab
+2. **Enable GitHub Actions** for the repository
+3. The workflows will automatically run on the next push
+
+## Ready! 🎉
+
+Your template repository will be available at:
+**https://github.com/HalbonLabs/universal-backup-system-template**
+
+Users can create new repositories from this template by clicking:
+**"Use this template"** button on the repository page.
+
+---
+
+**Next Steps:**
+- Test the template by creating a new repository from it
+- Share with the team for feedback
+- Add to HalbonLabs documentation
+- Consider pinning the repository for visibility