Add URL preview (#1511)

* URL preview - WIP

* fix url preview regex

* update url match regex

* add url preview components

* add scroll btn url preview holder

* add message body component

* add url preview toggle in settings

* update url regex

* improve url regex

* increase thumbnail size in url preview

* hide url preview in encrypted rooms

* add encrypted room url preview toggle

src/app/components/url-preview/UrlPreview.tsx

@@ -0,0 +1,27 @@
+import React from 'react';
+import classNames from 'classnames';
+import { Box, as } from 'folds';
+import * as css from './UrlPreview.css';
+
+export const UrlPreview = as<'div'>(({ className, ...props }, ref) => (
+  <Box shrink="No" className={classNames(css.UrlPreview, className)} {...props} ref={ref} />
+));
+
+export const UrlPreviewImg = as<'img'>(({ className, alt, ...props }, ref) => (
+  <img className={classNames(css.UrlPreviewImg, className)} alt={alt} {...props} ref={ref} />
+));
+
+export const UrlPreviewContent = as<'div'>(({ className, ...props }, ref) => (
+  <Box
+    grow="Yes"
+    direction="Column"
+    gap="100"
+    className={classNames(css.UrlPreviewContent, className)}
+    {...props}
+    ref={ref}
+  />
+));
+
+export const UrlPreviewDescription = as<'span'>(({ className, ...props }, ref) => (
+  <span className={classNames(css.UrlPreviewDescription, className)} {...props} ref={ref} />
+));