chore: ignore .firecrawl/ and docs/internal/

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HtqW9nD9oBQT39xB4mj2bg

Author: aborruso

.gitignore

@@ -94,3 +94,5 @@ data/worker_events.jsonl
 
 # Local security mapping — contains a working repro, not for publication
 docs/untrusted-portal-strings-map.md
+.firecrawl/
+docs/internal/