Update README.md

[Ashurajput02]

Description

Please include a summary of the change and which issue is fixed. List any dependencies that are required for this change1.Grammatical errors rectified.
2.Made the tagline a bit funky and relatbale for the current generation. 3.Changed the Pandemic word

Fixes #(371)

Replace 371 with the issue number which is fixed in this PR

Have you read the Contributing Guidelines on Pull Requests?

• Yes
• No

Type of change

Grammatical errors and modified some texts.

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)

Checklist:

• My code follows the style guidelines(Clean Code) of this project
• I have performed a self-review of my own code
• My changes generate no new warnings
• I have added tests/screenshots(if any) that prove my fix is effective or that my feature works.

Screenshots: