Add comprehensive Docker setup with PostgreSQL, Redis, ChromaDB, and Qdrant

- Enhanced install.py with Docker detection and automatic service setup
- Added docker-compose.services.yml for standalone database services
- Created docker-services.sh management script for easy service control
- Added DOCKER.md documentation with complete setup instructions
- Updated requirements.txt for Python 3.13 compatibility
- Added multiple test scripts and configuration files
- Enhanced collaborative creative projects with proper database integration
- Fixed SQLAlchemy metadata field conflicts in database models
- Added comprehensive quickstart and testing guides

Services now available:
- PostgreSQL with Docker
- Redis with Docker
- ChromaDB vector database
- Qdrant vector database (recommended)
- PgAdmin for database administration

The setup script now automatically detects Docker and offers streamlined
installation with one-command service deployment.

docker-compose.yml

@@ -6,21 +6,42 @@ services:
     environment:
       POSTGRES_DB: discord_fishbowl
       POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-fishbowl_password}
     volumes:
       - postgres_data:/var/lib/postgresql/data
     ports:
       - "5432:5432"
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
 
   redis:
     image: redis:7-alpine
-    command: redis-server --requirepass ${REDIS_PASSWORD}
+    command: redis-server --requirepass ${REDIS_PASSWORD:-redis_password}
     ports:
       - "6379:6379"
     volumes:
       - redis_data:/data
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+  # ChromaDB for vector storage
+  chromadb:
+    image: chromadb/chroma:latest
+    ports:
+      - "8000:8000"
+    volumes:
+      - chroma_data:/chroma/chroma
+    environment:
+      - IS_PERSISTENT=TRUE
+    restart: unless-stopped
 
   fishbowl:
     build: .
@@ -44,4 +65,5 @@ services:
 
 volumes:
   postgres_data:
-  redis_data:
+  redis_data:
+  chroma_data: