fix: Include creator in collaboratorIds for document listing

Documents with empty collaboratorIds don't appear in collection sidebar.
Now includes creator's userId in the array.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/index.ts

@@ -39,7 +39,7 @@ async function main() {
   // Create MCP server with shared configuration
   const server = createMcpServer(pgClient.getPool(), {
     name: 'mcp-outline-postgresql',
-    version: '1.3.11'
+    version: '1.3.12'
   });
 
   // Connect stdio transport