Fixed broken links in Readme.md

[Aman-Codes]

Issue that this pull request solves

Closes: #94

Proposed changes

Fixed the link to contributing.md and license in readme.md

Types of changes

Put an x in the boxes that apply

• [ ] Bugfix (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)
• [x] Documentation update (Documentation content changed)
• [ ] Other (please describe):

Checklist

Put an x in the boxes that apply

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] My changes does not break the current system and it passes all the current test cases.

Screenshots

Earlier Behavior

Now