chore(js): allow linting js and jsx files

Author: char0n

.lintstagedrc

@@ -1,3 +1,5 @@
 {
-  "*.ts": "eslint"
+  "*.ts": "eslint",
+  "packages/apidom-playground/src/**/*.js": "eslint",
+  "packages/apidom-playground/src/**/*.jsx": "eslint"
 }