Add PR and Issue templates (#252)

## Summary

<!--
Include a short paragraph of the changes introduced in this PR.
If this PR requires additional context or rationale, explain why
the changes are necessary.
-->
This PR adds templates for issues and pull requests. This helps
maintainers by encouraging users/contributors to provide all necessary
information.

## Details

<!--
Provide a detailed list of all changes introduced in this pull request.
-->
- [x] Add issue templates from
[llm-compressor](https://github.com/vllm-project/llm-compressor)
- [x] Add a PR template

## Test Plan

<!--
List the steps needed to test this PR.
-->
- Open a PR or issue using the given templates

---

- [x] "I certify that all code in this PR is my own, except as noted
below."

## Use of AI

- [ ] Includes AI-assisted code completion
- [x] Includes code generated by an AI application
- [ ] Includes AI-generated tests (NOTE: AI written tests should have a
docstring that includes `## WRITTEN BY AI ##`)

## External Sources

- [x] Other compatible open source projects

---------

Signed-off-by: Samuel Monson <[email protected]>

Author: sjmonson

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+labels: bug
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Environment**
+Include all relevant environment information:
+1. OS [e.g. Ubuntu 20.04]:
+2. Python version [e.g. 3.12.2]:
+
+**To Reproduce**
+Exact steps to reproduce the behavior:
+
+
+**Errors**
+If applicable, add a full print-out of any errors or exceptions that are raised or include screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here. Also include any relevant files.

.github/ISSUE_TEMPLATE/doc-edit.md

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+---
+name: Doc edit
+about: Propose changes to project documentation
+labels: documentation
+
+---
+
+**What is the URL, file, or UI containing proposed doc change**
+Where does one find the original content or where would this change go?
+
+**What is the current content or situation in question**
+Copy/paste the source content or describe gap.
+
+**What is the proposed change**
+Add new content.
+
+**Additional context**
+Add any other context about the change here. Also include any relevant files or URLs.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+labels: enhancement
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,38 @@
+## Summary
+
+<!--
+Include a short paragraph of the changes introduced in this PR.
+If this PR requires additional context or rationale, explain why
+the changes are necessary.
+-->
+
+## Details
+
+<!--
+Provide a detailed list of all changes introduced in this pull request.
+-->
+- [ ]
+
+## Test Plan
+
+<!--
+List the steps needed to test this PR.
+-->
+-
+
+## Related Issues
+
+<!--
+Link any relevant issues that this PR addresses.
+-->
+- Resolves #
+
+---
+
+- [ ] "I certify that all code in this PR is my own, except as noted below."
+
+## Use of AI
+
+- [ ] Includes AI-assisted code completion
+- [ ] Includes code generated by an AI application
+- [ ] Includes AI-generated tests (NOTE: AI written tests should have a docstring that includes `## WRITTEN BY AI ##`)