Propose and implement best practices and style guide

[jogendra]

Description

As a Contributor,
I need follow Swift Style Guide and good iOS development practices,
so that I can write clean and well-formatted code.

Acceptance Criteria

There are a number of guides for best practices of iOS projects and Swift Style Guide.
Link for Style Guide: Swift Style Guide
Link for good practices: iOS Good Practices

Definition of Done

• All of the required items are completed.
• Approval by 1 mentor.

Estimation

Less than Half hours

[sauravexodus]

I think RayWenderlich swift style guide is much detailed and up to date with the latest swift language.

https://github.com/raywenderlich/swift-style-guide

We can enforce this style guide using swiftlint by realm.io

[anubhavpulkit]

@sunjunkie I think we have to add RayWenderlich swift style because it is updated regularly and RayWenderlich swift style is clean and more standards.

[sunjunkie]

@AnubhavSingh16 Yes I agree.