Disable capella ai services tutorial (#43)

* code cleanup

* capella ai services tutorial disabled

Author: shyam-cb

capella-ai/haystack/frontmatter.md renamed to capella-ai/haystack/__frontmatter.__md

@@ -1,8 +1,8 @@
 ---
 # frontmatter
-path: "/tutorial-capella-ai-services-rag"
-title: Retrieval-Augmented Generation (RAG) with Capella AI Services
-short_title: RAG with Couchbase Capella AI Services
+path: "/tutorial-capella-ai-services-haystack-rag"
+title: Retrieval-Augmented Generation (RAG) with Haystack and Capella AI Services
+short_title: RAG with Haystack and Couchbase Capella AI Services
 description:
   - Learn how to build a semantic search engine using Couchbase Capella AI Services.
   - This tutorial demonstrates how to integrate Couchbase's vector search capabilities with the embeddings provided by Capella AI Services.

capella-ai/langchain/frontmatter.md renamed to capella-ai/langchain/__frontmatter.__md

@@ -1,8 +1,8 @@
 ---
 # frontmatter
-path: "/tutorial-capella-ai-services-rag"
-title: Retrieval-Augmented Generation (RAG) with Capella AI Services
-short_title: RAG with Couchbase Capella AI Services
+path: "/tutorial-capella-ai-services-langchain-rag"
+title: Retrieval-Augmented Generation (RAG) with Capella AI Services and LangChain
+short_title: RAG with Couchbase Capella AI Services and LangChain
 description:
   - Learn how to build a semantic search engine using Couchbase Capella AI Services.
   - This tutorial demonstrates how to integrate Couchbase's vector search capabilities with the embeddings provided by Capella AI Services.

capella-ai/llamaindex/frontmatter.md renamed to capella-ai/llamaindex/__frontmatter.__md

@@ -1,8 +1,8 @@
 ---
 # frontmatter
-path: "/tutorial-capella-ai-services-rag"
-title: Retrieval-Augmented Generation (RAG) with Capella AI Services
-short_title: RAG with Couchbase Capella AI Services
+path: "/tutorial-capella-ai-services-llamaindex-rag"
+title: "Retrieval-Augmented Generation (RAG) with Capella AI Services and LlamaIndex"
+short_title: "RAG with Couchbase Capella AI Services and LlamaIndex"
 description:
   - Learn how to build a semantic search engine using Couchbase Capella AI Services.
   - This tutorial demonstrates how to integrate Couchbase's vector search capabilities with the embeddings provided by Capella AI Services.