feat: Implement API

Description

Login view (Task #11 (closed) Week 1) :

• Removed the .xcuserstate from git.
• Add AppUserDefaults & UserDefaultsWrapper And Rename NetworkingService to APIService.
• Add EndPoints and Path for API.
• Add primary key in db identify elections.
• Add getElection method to APIService.
• Update Realm schemaVersion.
• Add Credentials and xAuth user defaults
• Add login.
• Delete all elections from the database when logged out.
• Added ActivityIndicator and fixed bug with setting API key

closes #11 (closed)

UI Changes

myVideo6

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Unit Test

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes