message: angular hot fix for typo in angular framework card
diff: {
  "name": "Angular",
  "displayName": "Angular",
  - "summary": "Angular is an open source, front-end web application framework mainly mainted by Google to develop single page applications.",
  + "summary": "Angular is an open source, front-end web application framework maintained by Google to develop single page applications.",
  "author": "Google",
  "order": "1",
  "licenses": "[Angular](https://github.com/angular/angular/blob/master/LICENSE) \n[Angular CLI](https://github.com/angular/angular-cli/blob/master/LICENSE)",
  