feat: Telegram Channel (#2901)

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

fixes: #1843

app/javascript/dashboard/i18n/locale/en/inboxMgmt.json

@@ -171,6 +171,19 @@
           "ERROR_MESSAGE": "We were not able to save the email channel"
         },
         "FINISH_MESSAGE": "Start forwarding your emails to the following email address."
+      },
+       "TELEGRAM_CHANNEL": {
+        "TITLE": "Telegram Channel",
+        "DESC": "Integrate with Telegram channel and start supporting your customers.",
+        "BOT_TOKEN": {
+          "LABEL": "Bot Token",
+          "SUBTITLE": "Configure the bot token you have obtained from Telegram BotFather.",
+          "PLACEHOLDER": "Bot Token"
+        },
+        "SUBMIT_BUTTON": "Create Telegram Channel",
+        "API": {
+          "ERROR_MESSAGE": "We were not able to save the telegram channel"
+        }
       },
       "AUTH": {
         "TITLE": "Choose a channel",