Moving Constants To Separate File

[SIMRAN1]

Description

According to swift Standard Guidelines Constants should be declared in separate file.

Fixes #222

Type of Change:

Delete irrelevant options.

• Code
• Quality Assurance

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

All the required Constants are moved to Separate File and tested in Simulator.

Checklist:

Delete irrelevant options.

• My PR follows the style guidelines of this project
• I have performed a self-review of my own code or materials
• I have commented my code or provided relevant documentation, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged

Code/Quality Assurance Only

• My changes generate no new warnings
• My PR currently breaks something (fix or feature that would cause existing functionality to not work as expected)
• 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
• Any dependent changes have been published in downstream modules

[SIMRAN1]

@sunjunkie mam Please review the above changes. If above changes looks good then I can add more Constants in File.