Add fotos.carloselugo.com photo-upload service

Event photo upload app with OAuth2 (Google Drive), Caddy route, and
env-var-driven compose config. Refresh token persists to token.json
so re-auth isn't needed after container restarts.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.gitignore

@@ -18,3 +18,12 @@ dozzle/data/users.yml
 
 # ntfy user database (contains credentials)
 ntfy/config/user.db
+
+# Photo upload (fotos.carloselugo.com)
+photo-upload/credentials.json
+photo-upload/node_modules/
+photo-upload/tmp_uploads/*
+!photo-upload/tmp_uploads/.gitkeep
+photo-upload/upload_status.json
+photo-upload/token.json
+photo-upload/env.backup