Add more functionalities to sponsorship portal

[fe-cmd]

1. stated the "sponsorship" into installed apps in settings.py
2. created urls.py to link route frontend page to the functionalities
3. created models for extra functionalities as for tracking sponsorship application and assets progress
4. created code functionality in views.py for thier logic for reviewing sponsorship applications and progress tracking

This are some sample codes , i can work further on this involving the templates rendering, setup and real testing and debugging to ensure they work well.
@Mariatta @cmaureir please review this and kindly let me know if it is visible to you, thank you.

[Mr-Sunglasses]

I think #74 is a final PR, that had all the commits, including this one, we can close this one in the favor of #74 for the ease of reviewing and merging the changes.

Also I would also suggest to not create a new branch for the branch you already raised a Pull request, until they are dependent on each other, it's good to create a new branch from the main branch for a new feature or fix or any type of changes.