Added GitPod Button in README file and Init Files

[Mit-Patel]

Description

Added Init files for gitpod button in README file.

Fixes #27 (issue)

Linked PR #100

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented 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
• Any dependent changes have been merged and published in downstream modules

Reviewer: Vinit Shahdeo

[PragatiVerma18]

Looks good to me.

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