(feature) add rooms and messages DOM id

Author: antoine92190

src/ChatWindow/Message.vue

@@ -14,6 +14,7 @@
 
 		<div
 			v-else
+			:id="message._id"
 			class="vac-message-box"
 			:class="{ 'vac-offset-current': message.sender_id === currentUserId }"
 		>

src/ChatWindow/RoomsList.vue

@@ -43,6 +43,7 @@
 			<div
 				class="vac-room-item"
 				v-for="room in filteredRooms"
+				:id="room.roomId"
 				:key="room.roomId"
 				:class="{ 'vac-room-selected': selectedRoomId === room.roomId }"
 				@click="openRoom(room)"