Add link to mcp-arangodb-async server

Author: PCfVW

README.md

@@ -494,6 +494,7 @@ A growing set of community-developed and maintained servers demonstrates various
 - **[APT MCP](https://github.com/GdMacmillan/apt-mcp-server)** - MCP server which runs debian package manager (apt) commands for you using ai agents.
 - **[Aranet4](https://github.com/diegobit/aranet4-mcp-server)** - MCP Server to manage your Aranet4 CO2 sensor. Fetch data and store in a local SQLite. Ask questions about historical data.
 - **[ArangoDB](https://github.com/ravenwits/mcp-server-arangodb)** - MCP Server that provides database interaction capabilities through [ArangoDB](https://arangodb.com/).
+- **[ArangoDB Graph](https://github.com/PCfVW/mcp-arangodb-async)** - Async-first Python architecture, wrapping the official [python-arango driver](https://github.com/arangodb/python-arango) with graph management capabilities, content conversion utilities (JSON, Markdown, YAML and Table), backup/restore functionality, and graph analytics capabilities; the 33 MCP tools use strict [Pydantic](https://github.com/pydantic/pydantic) validation.
 - **[Arduino](https://github.com/vishalmysore/choturobo)** - MCP Server that enables AI-powered robotics using Claude AI and Arduino (ESP32) for real-world automation and interaction with robots.
 - **[arXiv API](https://github.com/prashalruchiranga/arxiv-mcp-server)** - An MCP server that enables interacting with the arXiv API using natural language.
 - **[arxiv-latex-mcp](https://github.com/takashiishida/arxiv-latex-mcp)** - MCP server that fetches and processes arXiv LaTeX sources for precise interpretation of mathematical expressions in papers.