Initial commit: RunPod multi-modal AI orchestration stack

- Multi-modal AI infrastructure for RunPod RTX 4090
- Automatic model orchestration (text, image, music)
- Text: vLLM + Qwen 2.5 7B Instruct
- Image: Flux.1 Schnell via OpenEDAI
- Music: MusicGen Medium via AudioCraft
- Cost-optimized sequential loading on single GPU
- Template preparation scripts for rapid deployment
- Comprehensive documentation (README, DEPLOYMENT, TEMPLATE)

postgres/init/01-init-databases.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+
+# PostgreSQL initialization script for AI stack
+# This script runs on first database initialization
+# Creates all databases required by AI services
+
+echo "Starting AI stack database initialization..."
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    -- Create databases for AI services
+    -- Open WebUI database
+    SELECT 'CREATE DATABASE openwebui'
+    WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'openwebui')\gexec
+
+    -- LiteLLM proxy database
+    SELECT 'CREATE DATABASE litellm'
+    WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'litellm')\gexec
+
+    -- Grant privileges to all databases
+    GRANT ALL PRIVILEGES ON DATABASE openwebui TO $POSTGRES_USER;
+    GRANT ALL PRIVILEGES ON DATABASE litellm TO $POSTGRES_USER;
+
+    -- Log success
+    SELECT 'AI stack databases initialized:' AS status;
+    SELECT datname FROM pg_database
+    WHERE datname IN ('openwebui', 'litellm')
+    ORDER BY datname;
+EOSQL
+
+echo ""
+echo "✓ PostgreSQL initialization completed"
+echo "✓ All AI stack databases created successfully"
+echo ""
+echo "Databases available:"
+echo "  • openwebui    - Open WebUI application database"
+echo "  • litellm      - LiteLLM proxy database"
+echo ""