chore: add pre-push hook to run tests before push

Adds husky with a pre-push hook that runs `pnpm -r test` to catch
test failures before they reach the remote.

小橘 🍊（NEKO Team）

package.json

@@ -5,13 +5,16 @@
     "node": ">=22.5.0"
   },
   "scripts": {
+    "prepare": "husky",
     "build": "pnpm -r run build",
     "check": "biome check .",
-    "format": "biome format --write ."
+    "format": "biome format --write .",
+    "prepare": "husky"
   },
   "devDependencies": {
     "@biomejs/biome": "^1.9.0",
     "@rslib/core": "^0.21.3",
+    "husky": "^9.1.7",
     "typescript": "^5.5.0"
   }
 }