feat: Line Channel (#2904)

- Ability to configure line bots as a channel in chatwoot
- Receive a message sent to the line bot in chatwoot
- Ability to reply to line users from chatwoot

fixes: #2738

app/javascript/dashboard/components/widgets/Thumbnail.vue

@@ -35,6 +35,13 @@
       :style="badgeStyle"
       src="~dashboard/assets/images/channels/whatsapp.png"
     />
+    <img
+      v-if="badge === 'Channel::Line'"
+      id="badge"
+      class="source-badge"
+      :style="badgeStyle"
+      src="~dashboard/assets/images/channels/line.png"
+    />
     <img
       v-if="badge === 'Channel::Telegram'"
       id="badge"