message: increase size of url preview thumbnail
diff: @@ -107,7 +107,7 @@ export default class LinkPreviewWidget extends React.Component {
  if (!SettingsStore.getValue("showImages")) {
  image = null; // Don't render a button to show the image, just hide it outright
  }
  - const imageMaxWidth = 100; const imageMaxHeight = 100;
  + const imageMaxWidth = 320; const imageMaxHeight = 240;
  if (image && image.startsWith("mxc://")) {
  image = MatrixClientPeg.get().mxcUrlToHttp(image, imageMaxWidth, imageMaxHeight);
  }
  