Added vercel.json which removes Reload Bug (#517)

[uniyall]

Description

I have added vercel.json at the root, which configures Vercel to rewrite all incoming paths to refer to the index path.

Related Issue

Fixes #517

Screenshots / GIFs (if applicable)

NA

Checklist:

• [x] I have performed a self-review of my code
• [x] I have added/updated relevant documentation (if needed)
• [x] I have tested the changes locally and they function as expected
• [x] I have ensured my code follows the project's coding standards

Additional Notes

NA

[uniyall]

@codewarnab Kindly review. Thanks.