feat: update MCP config and TOOLS.md with calendar/contacts note

.agents/skills/dingtalk-api/node_modules/xmlbuilder/lib/WriterState.js

@@ -0,0 +1,10 @@
+// Generated by CoffeeScript 1.12.7
+(function() {
+  module.exports = {
+    None: 0,
+    OpenTag: 1,
+    InsideTag: 2,
+    CloseTag: 3
+  };
+
+}).call(this);