Add github actions and templates

.github/CODEOWNERS

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+*	@echang594

.github/ISSUE_TEMPLATE.md

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+Describe the expected behavior, e.g. "Should X, Y, and Z."

.github/PULL_REQUEST_TEMPLATE.md

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+# Info
+
+Closes **[ISSUE NUMBER]**. (If there is no issue for this pull request yet, please create one or
+delete this line if the pull request is for a very minor tweak).
+
+# Description
+
+What changes did you make? List all distinct problems that this PR addresses. Explain any relevant
+motivation or context.
+
+[description]
+
+## Changes
+
+- [Fill in here]
+
+# Type of Change
+
+- [ ] Patch (non-breaking change/bugfix)
+- [ ] Minor (non-breaking change which adds functionality)
+- [ ] Major (fix or feature that would cause existing functionality to not work as
+      expected)
+- [ ] Documentation (A change to a README/description)
+- [ ] Continuous Integration/DevOps Change (Related to deployment steps, continuous integration
+      workflows, linting, etc.)
+- [ ] Other: (Fill In) <!-- Edit this type of change if you select this -->
+
+If you've selected Patch, Minor, or Major as your change type, **make sure to bump the version before merging in `package.json`!**
+# Testing
+
+I have tested that my changes fully resolve the linked issue ...
+
+- [ ] locally.
+- [ ] on the testing API/testing database.
+- [ ] with appropriate Postman routes. Screenshots are included below.
+
+# Checklist
+
+- [ ] I have performed a self-review of my own code.
+- [ ] I have followed the style guidelines of this project.
+- [ ] I have appropriately edited the API version in the `package.json` file.
+- [ ] My changes produce no new warnings.
+
+# Screenshots
+
+Please include a screenshot of your Postman testing passing successfully.

.github/workflows/auto-comment.yml

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+name: Auto Comment on PRs
+on: pull_request
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: wow-actions/auto-comment@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          pullRequestOpened: |
+            Thanks for contributing!
+            If you've made changes to the API's functionality, please make sure to bump the package
+            version—see [this guide to semantic versioning](https://semver.org/) for details—and
+            document those changes as appropriate.