feat(mcp): Cursor project config + scripts for wormhole-docs server

- .cursor/mcp.json: wormhole-docs via node ./mcp-wormhole-docs/index.js + cwd
- package.json: mcp:wormhole, verify:wormhole-mcp
- MCP_SETUP + mcp-wormhole-docs README: Cursor reload + health check

Made-with: Cursor

.cursor/mcp.json

@@ -0,0 +1,9 @@
+{
+  "mcpServers": {
+    "wormhole-docs": {
+      "command": "node",
+      "args": ["./mcp-wormhole-docs/index.js"],
+      "cwd": "${workspaceFolder}"
+    }
+  }
+}