Specify community description img must be mxc urls

Closes element-hq/element-web#7100

Signed-off-by: Matthew Kenigsberg <[email protected]>

Author: mkenigs

src/components/structures/GroupView.js

@@ -47,7 +47,7 @@ const LONG_DESC_PLACEHOLDER = _td(
     some important <a href="foo">links</a>
 </p>
 <p>
-    You can even use 'img' tags
+    You can even add images with Matrix URLs <img src="mxc://url" />
 </p>
 `);
 

src/i18n/strings/en_EN.json

@@ -2001,7 +2001,7 @@
     "Attach files from chat or just drag and drop them anywhere in a room.": "Attach files from chat or just drag and drop them anywhere in a room.",
     "Communities": "Communities",
     "Create community": "Create community",
-    "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n": "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n",
+    "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even add images with Matrix URLs <img src=\"mxc://url\" />\n</p>\n": "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even add images with Matrix URLs <img src=\"mxc://url\" />\n</p>\n",
     "Add rooms to the community summary": "Add rooms to the community summary",
     "Which rooms would you like to add to this summary?": "Which rooms would you like to add to this summary?",
     "Add to summary": "Add to summary",