Reverse Linked List

[gunjan-g]

Fixes issue #67 Added code for 3. Reverse Linked List following all the mentioned guidelines

Type of change New feature

Checklist:

• [x] My code follows the style guidelines(Clean Code) of this project
• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings
• [x] I have added comments wherever required

[ujju20]

Keep up the good work! 👍🏻

[gunjan-g]

Keep up the good work! 👍🏻

Thank You 😄