Add Weaviate MCP to the Examples (modelcontextprotocol#175)

Author: erika-shorten

examples.mdx

@@ -51,6 +51,7 @@ These MCP servers are maintained by companies for their platforms:
 - **[Search1API](https://github.com/fatwang2/search1api-mcp)** - Unified API for search, crawling, and sitemaps
 - **[Stripe](https://github.com/stripe/agent-toolkit)** - Interact with the Stripe API
 - **[Tinybird](https://github.com/tinybirdco/mcp-tinybird)** - Interface with the Tinybird serverless ClickHouse platform
+- **[Weaviate](https://github.com/weaviate/mcp-server-weaviate)** - Enable Agentic RAG through your Weaviate collection(s)
 
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