chore: update project docs and clean up obsolete files

- Add parser output directories to .gitignore
- Update PROJECT_STATE.md with completed tasks and new checkpoint
- Clean up TO-DOS.md (remove completed items)
- Delete obsolete sample screenshots

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -78,6 +78,11 @@ pip-delete-this-directory.txt
 .env
 .env.local
 
+# Sports Parser
+Scripts/.parser_state/
+Scripts/output/
+Scripts/logs/
+
 # IDEs
 .idea/
 *.swp