added intro page

[AswaniBolisetti]

What does this PR do?

@swarooppatilx
I have added intro page on initial loading
Kindly check it out

issue no : #373

animie2.mp4

Fixes #(issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Chore (refactoring code, technical debt, workflow improvements)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How should this be tested?

• Test A
• Test B

Mandatory Tasks

• Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected.

[vercel]

@AswaniBolisetti is attempting to deploy a commit to the Piyush's projects Team on Vercel.

A member of the Team first needs to authorize it.

[swarooppatilx]

The older preloader animation looks good tbh