refactor: add Vercel and Turbo configuration files to .gitignore and package.json

Author: Marvin Zhang

.gitignore

@@ -160,6 +160,8 @@ build/
 # Temporal folder for debugging or quick testing
 tmp/
 
-# Git worktree directories
-.wt/
+# Vercel configuration files
 .vercel
+
+# Turbo configuration files
+.turbo

package.json

@@ -50,6 +50,7 @@
     "lint-staged": "16.1.2",
     "prettier": "3.6.1",
     "semver": "^7.6.3",
+    "turbo": "2.5.5",
     "typescript": "^5.0.0",
     "vitest": "^2.1.9"
   },
@@ -68,5 +69,6 @@
     "better-sqlite3": "^11.10.0",
     "dotenv": "16.5.0",
     "tsx": "^4.0.0"
-  }
+  },
+  "packageManager": "[email protected]"
 }