add mcp descriptions (#2080)

plugins/wasm-go/mcp-servers/mcp-notion/README.md

@@ -0,0 +1,38 @@
+# Notion MCP Server
+
+A Notion workspace is a collaborative environment where teams can organize work, manage projects, and store information in a highly customizable way. Notion's REST API facilitates direct interactions with workspace elements through programming. 
+
+Source code: [https://github.com/makenotion/notion-mcp-server/tree/main](https://github.com/makenotion/notion-mcp-server/tree/main)
+
+## Feature
+
+Notion MCP Server provides the following features:
+
+- **Pages**: Create, update, and retrieve page content.
+- **Databases**: Manage database, properties, entries, and schemas.
+- **Users**: Access user profiles and permissions.
+- **Comments**: Handle page and inline comments.
+- **Content Queries**: Search through workspace content.
+
+## Usage Guide
+
+### Get Notion Integration token
+
+Go to [https://www.notion.so/profile/integrations](https://www.notion.so/profile/integrations) and create a new internal integration or select an existing one.
+
+
+### Generate SSE URL
+
+On the MCP Server interface, log in and enter the token to generate the URL.
+
+### Configure MCP Client
+
+On the user's MCP Client interface, add the generated SSE URL to the MCP Server list.
+
+```json
+"mcpServers": {
+    "notion": {
+      "url": "http://mcp.higress.ai/mcp-notion/{generate_key}",
+    }
+}
+```