Pr template

[kennethshsu]

Added a new PR template and added the CODEOWNERS file (which we can speed up the review process?)

---

Note

Low Risk
Low risk because it only adds GitHub configuration files affecting review workflow, not runtime code.

Overview
Adds a .github/pull_request_template.md to standardize PR descriptions.

Introduces a .github/CODEOWNERS file to automatically request reviews from the listed owners for changes.

^{Reviewed by Cursor Bugbot for commit 28dddf1. Bugbot is set up for automated code reviews on this repo. Configure here.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.12%. Comparing base (6cb4aab) to head (28dddf1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #712   +/-   ##
=======================================
  Coverage   85.12%   85.12%           
=======================================
  Files          85       85           
  Lines        4909     4909           
  Branches      629      629           
=======================================
  Hits         4179     4179           
  Misses        521      521           
  Partials      209      209           

Flag	Coverage Δ
unittests	85.12% <ø> (ø)

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