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/ajv/dist/vocabularies/validation/limitNumber.d.ts

@@ -0,0 +1,11 @@
+import type { CodeKeywordDefinition, ErrorObject } from "../../types";
+type Kwd = "maximum" | "minimum" | "exclusiveMaximum" | "exclusiveMinimum";
+type Comparison = "<=" | ">=" | "<" | ">";
+export type LimitNumberError = ErrorObject<Kwd, {
+    limit: number;
+    comparison: Comparison;
+}, number | {
+    $data: string;
+}>;
+declare const def: CodeKeywordDefinition;
+export default def;