Go to Telegram and search and find the user @botfather. You can see all the commands byt typing /start.
Next type /newbot and press enter. Give your bot a name, it must end in bot. Your bot is now ready, and you should get this feedback:
Copy your token to TELEGRAM_BOT_TOKEN .env. Put your token value inside quotation marks. Set TG_BRIDGE_ENABLED=true.
Invite your bot to your Telegram group. First go to your group. From the right top corner choose three dots and from the drop-down menu choose Add members. Search for your bot by its name and press add.
Give your bot admin role (you need to have an admin role to do this). From the three dots, choose Manage group. Choose Administrators and then Add administrator.
From there, choose your bot. Under What can this admin do? mark all the rights off (some rights are locked to on, these are necessary).
On your telegram group that you want to bridge to discord course courseName send command /bridge <courseName>.
For example, to bridge telegram group tkt-tito to discord course tito use command /bridge tito in telegram group.
Bot answers
Bridge created: Discord course <courseName> <--> Telegram course <telegramGroup>
if bridge is created successfully.
If courseName is invalid bot answers with message
Bridge not created: Invalid discord channel <courseName>
if the course is bridged already bot will answer with message
Bridge not created: this course <courseName> has bridge already
If you want to delete the bridge between Discord course and Telegram group, you can do so by using /delete_bridge <courseName> command in Discord.
If the deletion is succesfull the bot will answer with message
Deleted Telegram bridge from course: <courseName>