Add CI with Github Actions

Setup CI with Github Actions

Description

• Changed simulator version to use the latest available.
• Cache Carthage build to improve build time.
• Xcpretty for better formatting.

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