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.

migrations/env.py

@@ -0,0 +1,82 @@
+from logging.config import fileConfig
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from alembic import context
+import os
+import sys
+
+# Add src to path so we can import our models
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))
+
+from database.models import Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+def get_database_url():
+    """Get database URL from environment or config"""
+    from dotenv import load_dotenv
+    load_dotenv()
+    
+    return os.getenv("DATABASE_URL", "sqlite+aiosqlite:///fishbowl_test.db")
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode."""
+    url = get_database_url()
+    # Convert aiosqlite URL to sqlite for offline mode
+    if url.startswith("sqlite+aiosqlite"):
+        url = url.replace("sqlite+aiosqlite", "sqlite")
+    
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+    url = get_database_url()
+    # Convert aiosqlite URL to sqlite for migrations
+    if url.startswith("sqlite+aiosqlite"):
+        url = url.replace("sqlite+aiosqlite", "sqlite")
+    
+    configuration = config.get_section(config.config_ini_section)
+    configuration["sqlalchemy.url"] = url
+    
+    connectable = engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()