build: migrate Bazel ignore rules from .bazelignore to REPO.bazel

See: https://bazel.build/rules/lib/globals/repo and https://github.com/aspect-build/rules_js/blob/092dd7892b816f899c7ab5b794fdb6236abb6939/docs/pnpm.md?plain=1#L77

Author: alan-agius4

.bazelignore

@@ -0,0 +1,5 @@
+ignore_directories([
+    "dist",
+    "**/node_modules/**",
+    "**/.angular",
+])