feat: add 18 AI/ML Portainer templates with gap analysis

ai-templates/stacks/litellm/docker-compose.yml

@@ -0,0 +1,33 @@
+version: "3.8"
+
+services:
+  litellm:
+    image: ghcr.io/berriai/litellm:main-latest
+    container_name: litellm
+    restart: unless-stopped
+    ports:
+      - "${LITELLM_PORT:-4000}:4000"
+    volumes:
+      - litellm_config:/app/config
+    environment:
+      - LITELLM_MASTER_KEY=${LITELLM_MASTER_KEY:-sk-master-key}
+      - LITELLM_LOG_LEVEL=${LOG_LEVEL:-INFO}
+      - DATABASE_URL=postgresql://${PG_USER:-litellm}:${PG_PASSWORD:-litellm}@litellm-db:5432/${PG_DB:-litellm}
+    command: --config /app/config/litellm_config.yaml --port 4000
+    depends_on:
+      - litellm-db
+
+  litellm-db:
+    image: postgres:16-alpine
+    container_name: litellm-db
+    restart: unless-stopped
+    environment:
+      - POSTGRES_USER=${PG_USER:-litellm}
+      - POSTGRES_PASSWORD=${PG_PASSWORD:-litellm}
+      - POSTGRES_DB=${PG_DB:-litellm}
+    volumes:
+      - litellm_pg_data:/var/lib/postgresql/data
+
+volumes:
+  litellm_config:
+  litellm_pg_data: