message: Add share dialog
diff: @@ -3,6 +3,7 @@ import IntlMessageFormat from 'intl-messageformat';
  import '../ui_components/outline-about-dialog';
  import '../ui_components/outline-do-oauth-step';
  import '../ui_components/outline-feedback-dialog';
  +import '../ui_components/outline-share-dialog';
  import '../ui_components/outline-survey-dialog';
  @@ -97,6 +98,13 @@ export class TestApp extends LitElement {
  <outline-feedback-dialog .localize=${this.localize} dir=${this.dir}></outline-feedback-dialog>
  </div>
  + <div class="widget">
  + <h2>outline-share-dialog</h2>
  + <button @tap=${() => this.select('outline-share-dialog').open('<ACCESS_KEY>', '<INVITE_URL>')
  + }>Open Dialog</button>
  + <outline-share-dialog .localize=${this.localize} dir=${this.dir}></outline-share-dialog>
  + </div>
  +
  <div class="widget">
  <h2>outline-survey-dialog</h2>
  <button @tap=${() => this.select('outline-survey-dialog').open('Survey title', 'https://getoutline.org')
  