message: docs: add Formly library to the list of resources
  This commit adds the Formly library to the Angular list of resources at aio/content/marketing/resources.json.
  PR Close
diff: "Data Libraries": {
  "order": 3,
  "resources": {
  + "formly": {
  + "desc": "Formly is a dynamic (JSON powered) form library, built on top of Angular Reactive Forms.",
  + "title": "Formly",
  + "url": "https://formly.dev"
  + },
  "rx-web": {
  "desc": "RxWeb Reactive Form Validators provides all types of complex, conditional, cross field, and dynamic validation on validator-based reactive forms, model-based reactive forms, and template driven forms.",
  "title": "RxWeb Reactive Form Validators",
  