Added links in Readme.md

[priya03ranjan01]

Description

Added links for articles as well as went ahead of the issue to add practice links for various problems in Readme.md.

Fixes #21 and #36

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [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] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[github-actions[bot]]

Our team will soon review your PR. Thanks @priya03ranjan01 :)

[github-actions[bot]]

Thank you @priya03ranjan01 for taking out your valuable time in order to contribute to our project. Looking forward for more such amazing contributions :)

[arpit456jain]

nice work @priya03ranjan01 must join our codesnashers community for more amazing projects like this and updates about ongoing open source event