Add blueprints for Ampache, AnythingLLM, Apprise API, and ArangoDB with Docker Compose and metadata

- Added entries in meta.json for Ampache, AnythingLLM, Apprise API, and ArangoDB with detailed descriptions, logos, and relevant links.
- Introduced Docker Compose configurations for each service to facilitate deployment.
- Created template.toml files for each service with default variables for configuration.

blueprints/arangodb/docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3.8"
+services:
+  arangodb:
+    image: arangodb:3.12.4
+    restart: unless-stopped
+    ports:
+      - 8529
+    environment:
+      - ARANGO_ROOT_PASSWORD=${ARANGO_PASSWORD}
+    volumes:
+      - data:/var/lib/arangodb3
+
+volumes:
+  data: {}