fix(docker): remove default --help argument from CMD

The proxy.ts file expects a server URL as first argument, so having
--help as default CMD causes parsing errors. Empty CMD allows proper
argument passing.

Author: offendingcommit

Dockerfile

@@ -60,4 +60,4 @@ ENV MCP_REMOTE_CONFIG_DIR=/home/mcp/.mcp-auth
 ENTRYPOINT ["node", "dist/proxy.js"]
 
 # Default arguments (can be overridden)
-CMD ["--help"]
+CMD []