Add Playwright test directories to .gitignore

- Ignore test-results directory
- Ignore playwright-report directory
- Ignore playwright cache
- Ignore test snapshots

Author: austinlparker

.gitignore

@@ -8,6 +8,10 @@
 
 # testing
 /coverage
+/test-results/
+/playwright-report/
+/playwright/.cache/
+/tests/*-snapshots/
 
 # next.js
 /.next/