update contact information

src/context.yml

@@ -47,13 +47,13 @@ parts:
   - title: Contacting Instruction Team
     type: section
     text: >
-      Please contact us through the Telegram channel at [https://t.me/ai_spring_2024](https://t.me/ai_spring_2024) and for 
+      Please contact us through the Telegram channels at [https://t.me/ai_fall_2024_rohban](https://t.me/ai_fall_2024_rohban) and [https://t.me/ai_fall_2024_fereydooni](https://t.me/ai_fall_2024_fereydooni). For 
       necessary cases, email the respective heads of teaching assistance.(Ensure that you use a proper subject for your email and include your name and student ID. It is strongly
       encouraged to use the [**@Sharif** webmail service](https://webmail.sharif.edu/) to ensure easy identification by the instructional team.)
-       - [**[email protected]**](mailto:[email protected])
+       - [**[email protected]**](mailto:[email protected])
        - [**[email protected]**](mailto:[email protected])
-       - [**[email protected]**]([email protected])
        - [**[email protected]**](mailto:[email protected])
+       - [**[email protected]**](mailto:[email protected])
       Note that you can always directly contact the instructor via his email address.
   - title: Previous Websites
     type: section