docs: collect mongo-ops lib (mkdocstrings) + wiki into separate site subpaths, fix mcp server name, expose port 8007

- mongo-ops now serves /mongo-ops/wiki/ and /mongo-ops/lib/ independently
- add mongo-ops MCP bundle under mcp/mongo-ops
- fix copy-paste mcp server (jwtlib -> mongo_ops) in config.yml
- .drone.yml/Dockerfile: publish port 8007 for mongo-ops MCP

config.yml

@@ -91,6 +91,8 @@ repos:
     section: libraries
     docs:
       wiki: site
+      lib: site
+      mcp: { bundle: docs/mcp, server: mongo_ops, port: 8007 }
 
   - name: auth-server
     source: ../auth-server