Added Network Packet Sniffing Script

[killerraj369]

Description

This is a network packet sniffing script made in Python.

Fixes #357

Replace issue_no with the issue number which is fixed in this PR

Have you read the Contributing Guidelines on Pull Requests?

• [X] Yes
• [ ] No

Type of change

Please delete options that are not relevant.

• [X] New feature (non-breaking change which adds functionality)

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] I have commented my code, particularly in hard-to-understand areas
• [X] I've edited the SCRIPTS.md and link to my code.
• [X] I have created a helpful and easy to understand README.md
• [X] My documentation follows Template for README.md
• [X] My changes generate no new warnings
• [X] I have added tests/screenshots(if any) that prove my fix is effective or that my feature works.

[killerraj369]

@avinashkranjan Hi, I have done my work , Please review my PR.

[killerraj369]

@avinashkranjan Can you please review..