more files for .gitignore v2

Author: DavidQ

.gitignore

@@ -23,6 +23,8 @@ codex_changed_files.txt
 docs/dev/reports/codex_changed_files.txt
 codex_review.diff
 docs/dev/reports/codex_review.diff
+docs/dev/reports/coverage_changed_js_guardrail.txt
+docs/dev/reports/playwright_v8_coverage_report.txt
 
 *.mp4
 *.mkv