feat: add jest:watch script to js/jest

Author: allohamora

package.json

@@ -20,6 +20,7 @@
     "lint": "eslint \"src/**/*.ts\"",
     "lint:fix": "eslint \"src/**/*.ts\" --fix",
     "test": "jest",
+    "test:watch": "jest --watch",
     "test:coverage": "jest --coverage"
   },
   "repository": {

src/categories/js/jest.ts

@@ -13,6 +13,7 @@ const CONFIG_FILENAME = 'jest.config.cjs';
 
 const scripts: NpmScript[] = [
   { name: 'test', script: 'jest' },
+  { name: 'test:watch', script: 'jest --watch' },
   { name: 'test:coverage', script: 'jest --coverage' },
 ];