feat: [FC-0047] FCM

[volodymyr-chekyrta]

This pull request introduces Firebase Cloud Messaging (FCM) to the project, enabling the functionality for receiving push notifications from Firebase.

Testing:
• Verified push notifications are received when the app is in the foreground, background, and terminated states.
• Confirmed the app correctly handles notification taps and displays relevant content.
• Ensured token generation and handling work as expected, including handling token refreshes.

Please use the Firebase console for testing; here is a set of all the required fields for navigation:

Notifications:

1. User has been enrolled
   notification_type: enroll
   course_id: Your course ID (example: course-v1:future+f1+2024)
2. User has been unenrolled
   notification_type: unenroll
3. User has been added as a beta tester
   notification_type: add_beta_tester
   course_id: Your course ID (example: course-v1:future+f1+2024)
4. User has been removed from beta testers
   notification_type: remove_beta_tester
   course_id: Your course ID (example: course-v1:future+f1+2024)
5. Someone left a response in the user discussion/question
   notification_type: forum_response
   topic_id: Your Topic ID (example: course)
   course_id: Your course ID (example: course-v1:future+f1+2024)
   thread_id: Your thread ID (example: 66584e96f2195c001ad219c7)
   comment_id: Your comment ID (example: 66585c9df2195c001ad219ce)
6. Someone left a comment in the user discussion/question
   notification_type: forum_comment
   topic_id: Your Topic ID (example: course)
   course_id: Your course ID (example: course-v1:future+f1+2024)
   thread_id: Your thread ID (example: 66583d13f2195c001a56a182)
   parent_id: Your response ID (example: 66586579f2195c001ad219d8)
   comment_id: Your comment ID (example: 6659ac92f2195c001bf37f77)

[openedx-webhooks]

Thanks for the pull request, @volodymyr-chekyrta! Please note that it may take us up to several weeks or months to complete a review and merge your PR.

Feel free to add as much of the following information to the ticket as you can:

• supporting documentation
• Open edX discussion forum threads
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All technical communication about the code itself will be done via the GitHub pull request interface. As a reminder, our process documentation is here.

Please let us know once your PR is ready for our review and all tests are green.

[volodymyr-chekyrta]

@dixidroid @omerhabib26, Kindly review the changes made in this pull request.
Thank you 🙌

[dixidroid]

LGTM

[HamzaIsrar12]

Reviewing ...

[HamzaIsrar12]

Minor nits only. 👍🏻

[volodymyr-chekyrta]

@HamzaIsrar12, thanks for your feedback, PR is ready for the next pass 🚀

[HamzaIsrar12]

LGTM 🏎️

[openedx-webhooks]

@volodymyr-chekyrta 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.