feat(frontend): my message menu shows when it was read or listened, group readers open in a right panel

frontend/src/lib/i18n/messages.ts

@@ -1,12 +1,14 @@
 import { account } from "#lib/i18n/messages/account.js";
 import { common } from "#lib/i18n/messages/common.js";
 import { menu } from "#lib/i18n/messages/menu.js";
+import { read } from "#lib/i18n/messages/read.js";
 import { settings } from "#lib/i18n/messages/settings.js";
 
 export const messages = {
   ...account,
   ...common,
   ...menu,
+  ...read,
   ...settings,
 };