add typing-speed-tracker and update Readme.md

[Prajyot05]

#786
Closes:

• TypeTrack: a typing speed testing website:
• Prajyot Tayde:
• Identify yourself: GSSOC EXTEND. and HACKTOBER fest

Describe the add-ons or changes you've made 📃

Added Typing Speed Tracking website under ReactJS Projects

Screenshots 📷

Type of change ☑️

What sort of change have you made:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, local variables)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist: ☑️

• My code follows the Contributing Guidelines & Code of Conduct of this project.
• This PR does not contain plagiarized content.
• I have performed a self-review of my own code.
• I have commented my code, particularly wherever it was hard to understand.
• My changes generate no new warnings.

Note to reviewers 📄

[github-actions]

Thank you for submitting your pull request! We'll review it as soon as possible. For further communication, join our discord server https://discord.gg/tSqtvHUJzE.

[vercel]

@Prajyot05 is attempting to deploy a commit to the avdheshvarshney's projects Team on Vercel.

A member of the Team first needs to authorize it.