added ReadReceipts component

src/client/state/cons.js

@@ -17,6 +17,7 @@ const cons = {
       OPEN_INVITE_USER: 'OPEN_INVITE_USER',
       OPEN_SETTINGS: 'OPEN_SETTINGS',
       OPEN_EMOJIBOARD: 'OPEN_EMOJIBOARD',
+      OPEN_READRECEIPTS: 'OPEN_READRECEIPTS',
     },
     room: {
       JOIN: 'JOIN',
@@ -41,6 +42,7 @@ const cons = {
       INVITE_USER_OPENED: 'INVITE_USER_OPENED',
       SETTINGS_OPENED: 'SETTINGS_OPENED',
       EMOJIBOARD_OPENED: 'EMOJIBOARD_OPENED',
+      READRECEIPTS_OPENED: 'READRECEIPTS_OPENED',
     },
     roomList: {
       ROOMLIST_UPDATED: 'ROOMLIST_UPDATED',

src/client/state/navigation.js

@@ -54,6 +54,13 @@ class Navigation extends EventEmitter {
           action.cords, action.requestEmojiCallback,
         );
       },
+      [cons.actions.navigation.OPEN_READRECEIPTS]: () => {
+        this.emit(
+          cons.events.navigation.READRECEIPTS_OPENED,
+          action.roomId,
+          action.eventId,
+        );
+      },
     };
     actions[action.type]?.();
   }