docs: add GITHUB_METADATA.md for SEO and repo configuration

Author: doITmagic

GITHUB_METADATA.md

@@ -0,0 +1,38 @@
+# GitHub Repository Metadata
+
+Use the following information to configure the repository "About" section and "Topics" for maximum SEO and discoverability.
+
+## Description
+Semantic code navigation MCP server using RAG (Retrieval-Augmented Generation). Features multi-language support (Go, PHP, Python, JS), local LLMs (Ollama), and vector search (Qdrant) for IDEs like Cursor, Windsurf, and Claude.
+
+## Website
+https://github.com/doITmagic/rag-code-mcp
+
+## Topics (Tags)
+Copy and paste these tags into the "Topics" section:
+
+mcp-server
+rag
+semantic-search
+code-navigation
+go
+golang
+ollama
+qdrant
+vector-database
+llm
+cursor-ide
+windsurf
+claude-desktop
+developer-tools
+multi-language
+php
+laravel
+python
+javascript
+
+## Social Preview (Open Graph)
+Consider adding a social preview image (1280x640) that highlights:
+- "RagCode MCP"
+- The logos of Go, Ollama, Qdrant, and MCP
+- "Semantic Code Navigation"