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/zod/v3/errors.d.ts

@@ -0,0 +1,5 @@
+import type { ZodErrorMap } from "./ZodError.js";
+import defaultErrorMap from "./locales/en.js";
+export { defaultErrorMap };
+export declare function setErrorMap(map: ZodErrorMap): void;
+export declare function getErrorMap(): ZodErrorMap;