message: docs(aio): add material community components
  PR Close
diff: "title": "Angular Material",
  "url": "https://github.com/angular/material2"
  },
  + "mcc": {
  + "desc": "Material components made by the community",
  + "logo": "",
  + "rev": true,
  + "title": "Material Community Components",
  + "url": "https://github.com/tiaguinho/material-community-components"
  + },
  "ngzorro": {
  "desc": "A set of enterprise-class UI components based on Ant Design and Angular",
  "rev": true,
  