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/apprise-api/docker-compose.yml

@@ -0,0 +1,16 @@
+version: "3.8"
+services:
+  apprise-api:
+    image: linuxserver/apprise-api:latest
+    restart: unless-stopped
+    ports:
+      - 8000
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=UTC
+    volumes:
+      - config:/config
+
+volumes:
+  config: {}