doc: pr template

Author: gfauredev

.github/pull_request_template.md

@@ -0,0 +1,24 @@
+# PR Title
+
+Pull Request Description
+
+## Related Issue
+
+Resolves #ENTER_ISSUE_NUMBER
+
+## Engineering Principles
+
+- [ ] PR only contains changes strictly related to the requested feature or fix,
+      scope is focused (no unrelated dependency updates or formatting)
+- [ ] This code totally respects [`README`](README.md)’s Engineering Principles
+
+## CI/CD Readiness
+
+- [ ] Branch follows Conventional Branch: `feat/…`, `fix/…`, `refactor/…`, …
+- [ ] Code is formatted with `dx fmt` AND `cargo fmt --all`
+- [ ] All checks pass, `nix flake checks` succeeds without warnings
+  - [ ] Code compiles, `dx build` succeeds (with necessary platform flags)
+  - [ ] NO `cargo clippy -- -D warnings -W clippy::all -W clippy::pedantic`
+        warnings
+  - [ ] All unit tests pass without warnings (`cargo test`)
+  - [ ] End-to-end tests pass (`maestro test --headless maestro/{web,android}`)