feat(templates): added category per service

templates/compose/dify.yaml

@@ -1,6 +1,7 @@
 # ignore: true
 # documentation: https://docs.dify.ai
 # slogan: Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.
+# category: ai
 # tags: ai, weaviate, openai, gpt, llm, lmops, dify, redis, postgres, qdrant, RAG, agent
 # logo: svgs/dify.png
 # port: 3000