chore: re-enable local mcp builds (#475)

* bump rmcp version

* uncomment mcp from local build script; bump rmcp crate version

.gitignore

@@ -71,7 +71,7 @@ build-npm-package-codesign.sh
 
 npx-cli/dist
 npx-cli/vibe-kanban-*
-backend/db.sqlite
+vibe-kanban-*.tgz
 
 # Development ports file
 .dev-ports.json
@@ -80,4 +80,4 @@ dev_assets
 /frontend/.env.sentry-build-plugin
 .ssh
 
-vibe-kanban-cloud/
+vibe-kanban-cloud/