feat: Initial confluence-mcp server for realtime collaboration

Provides 8 MCP tools for Confluence Cloud:
- confluence_list_spaces, confluence_create_space
- confluence_search, confluence_get_page
- confluence_create_page, confluence_update_page
- confluence_get_comments, confluence_add_comment

Uses Confluence REST API v2 with basic auth.
Registered in Claude Code and mcp-proxy.

Refs: CF-935

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/object-inspect/test/undef.js

@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { a: 1, b: [3, 4, undefined, null], c: undefined, d: null };
+
+test('undef and null', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        '{ a: 1, b: [ 3, 4, undefined, null ], c: undefined, d: null }'
+    );
+});