#1 Update Documentation #665

Referring to Card [#665](https://projects.fafadiatech.com/projects/mobile/work_packages/665/activity) ## Description * Updated README file and added additional supporting files. * Updated Code Comments to describe each API Function for `src/api/data.js` and `src/api/urls.js` ## Checklist - [x] Ensure any merge conflicts are solve for PR - [x] Ensure you've referenced PR in Issue via comments - [x] If PR include UI change/Workflow change please include before and after GIF - [x] Did we update user manual for any changes? (E.g. New Feature, Changes to existing workflow)