Firebase Backend admin panel

Need to develop Backed and Admin panel for mobile app.
## Login for admin and Insert/Update/delete of Category, Images and Image Category
I will require to use Firebase.

More Detail:
1) App Update require or not api
If App version is Less then x.y.z then update app popup

2) Category
1) Jokes
1.1 - Image, Type - Image(/Gif/Video)..etc in future
1.2 Randome Image pick up and display
1.3 List of Image based on filter

3) Calender
- Get Calender image list api

4) I want this in Gujarati language Text. I will give text of English and Gujarati
So in App it will be display in Gujarati language.

5) Login for admin and Insert/Update/delete of Category,
Images and Image Category

6) Information tab Text api
- Share app Text + URL
- Rating - Playstore URL
- Feedback URL
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I can give more detail video if you interested in it.