message: fix(docs-infra): add missing aria-labels to contributors page
  add proper aria-labels for the twitter and website link of contributors
  (which being icons they have no text) so that they can be correctly read
  by screenreaders
  also add aria-labels to the view-bio buttons for a better user
  experience
  PR Close
diff: @@ -15,15 +15,18 @@ import { CONTENT_URL_PREFIX } from 'app/documents/document.service';
  <div class="contributor-image"
  [style.background-image]="'url('+pictureBase+(person.picture || noPicture)+')'">
  <div class="contributor-info">
  - <button *ngIf="person.bio" mat-button class="info-item">
  + <button *ngIf="person.bio" mat-button class="info-item"
  + attr.aria-label="view bio of {{person.name}}">
  View Bio
  </button>
  <a *ngIf="person.twitter" mat-icon-button class="info-item icon"
  + attr.aria-label="twitter of {{person.name}}"
  href="https://twitter.com/{{person.twitter}}"
  target="_blank" (click)="$event.stopPropagation()">
  <mat-icon svgIcon="logos:twitter"></mat-icon>
  </a>
  <a *ngIf="person.website" mat-icon-button class="info-item icon"
  + attr.aria-label="website of {{person.name}}"
  href="{{person.website}}" target="_blank" (click)="$event.stopPropagation()">
  <mat-icon class="link-icon">link</mat-icon>
  </a>
  