Masinette integration telegram (#12883)

* add Telegram to integrations list

* add telegram to notifications integrations list

* create landing page for Telegram

* Update Telegram index.mdx to include contact email

* Update index.mdx to remove deprecated note element

* Create index.mdx in telegram-alerts-bot file

* remove file

Author: masinette

docs/organization/integrations/index.mdx

@@ -29,6 +29,7 @@ For more details, see the [full Integration Platform documentation](/organizatio
 | [Slack](/organization/integrations/notification-incidents/slack/)             | X            | X             | X              |
 | [Discord](/organization/integrations/notification-incidents/discord/)         | X            | X             |                |
 | [Spike.sh](/organization/integrations/notification-incidents/spikesh/)        | X            | X             |                |
+| [Telegram](/organization/integrations/notification-incidents/telegram-alerts-bot/)        | X            | X             |                |
 | Twilio                                                                   | X            |               |                |
 | VictorOps                                                                | X            |               |                |
 

docs/organization/integrations/notification-incidents/index.mdx

@@ -17,5 +17,6 @@ description: "Learn more about Sentry's notification and incidents integrations.
 - [Slack](/organization/integrations/notification-incidents/slack/)
 - [Discord](/organization/integrations/notification-incidents/discord/)
 - [Spike.sh](/organization/integrations/notification-incidents/spikesh/)
+- [Telegram](/organization/integrations/notification-incidents/telegram-alerts-bot/)
 - Twilio
 - VictorOps

docs/organization/integrations/notification-incidents/telegram-alerts-bot/index.mdx

@@ -0,0 +1,21 @@
+---
+title: Telegram
+sidebar_order: 1
+
+description: "Learn about Sentry's Telegram integration, which allows users to configure Alerts to receive notifications directly in Telegram messenger chats and groups."
+---
+
+Stay updated with real-time error notifications from your Sentry organization via Telegram — right on your phone or desktop. 
+Telegram Alerts Bot is maintained and supported by the company that created it. For more details, questions, or support, feel free to contact [email protected].
+
+## Install and Configure
+
+<Alert>
+
+Sentry owner, manager, or admin permissions are required to install this integration.
+
+</Alert>
+
+1. Navigate to **Settings > Integrations > Telegram Alerts Bot**
+
+2. Follow the full [Telegram installation instructions](https://telegra.ph/Telegram-Alerts-Bot-FAQ-01-27).