fix: correct CouchDB configuration in docker-compose.yml

- Remove invalid NODENAME environment variable that was causing startup failures
- CouchDB now starts successfully with default configuration
- Add proper Docker-specific CouchDB configuration file
- Update seedBadges.js to handle missing MongoDB gracefully

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Co-Authored-By: AI Assistant <noreply@ai-assistant.com>

docker-compose.yml

@@ -12,7 +12,6 @@ services:
       - COUCHDB_USER=admin
       - COUCHDB_PASSWORD=admin
       - COUCHDB_SECRET=some-random-secret-string
-      - NODENAME=couchdb@localhost
       - ERL_FLAGS=+K true +A 4
     volumes:
       - couchdb_data:/opt/couchdb/data