Modify tip calculator

[kakkarot0]

Is your feature request related to a problem? Please describe. I would like to change the UI of tip calculator. Please assign me this issue under SSOC'22 tag.

Describe the solution you'd like First the good background is must to make this attractive and I was thinking of giving different section for Bill amount, tip percentage and this will display total Billed customer needs to pay.

Describe alternatives you've considered Another feature can be using more JavaScript.

Additional context Add any other context or screenshots about the feature request here.

I'm planning on using this extra white space portion.

###Steps Followed✅ Check the box with [x] If you followed all the steps.

• [ ✅] Is your feature request related to a problem? Please describe.
• [ ✅] Describe the solution you'd like
• [✅ ] Describe alternatives you've considered
• [ ✅] Additional context

###Code of Conduct✅

• [ ✅] I agree to follow this project's Code of Conduct.
• [ ✅] I checked the current issues for duplicate problems.
• [✅ ] I have gone through project README.

[github-actions[bot]]

Thanks for raising the issue wait for it to get assigned.

[Rancho2002]

Please assign the task to me