feat: automatically format the whole codebase with npm run format

Author: ixartz

lint-staged.config.js

@@ -1,5 +1,5 @@
 module.exports = {
   '*.{js,jsx,ts,tsx}': ['eslint --fix', 'eslint'],
   '**/*.ts?(x)': () => 'npm run check-types',
-  '*.json': ['prettier --write'],
+  '*.{json,yaml}': ['prettier --write'],
 };

package.json

@@ -10,6 +10,7 @@
     "build-prod": "run-s clean build export",
     "clean": "rimraf .next out",
     "lint": "next lint",
+    "format": "next lint --fix && prettier '**/*.{json,yaml}' --write",
     "check-types": "tsc --noEmit --pretty && tsc --project cypress --noEmit --pretty",
     "test": "jest",
     "commit": "cz",