Restructure the homepage code

[Piumal1999]

Is your feature request related to a problem? Please describe.
The homepage code contains some unused classes and div tags. We need to Remove those and restructure the code according to the material kit template.

Describe the solution you'd like
Update the code structure. You can refer to the Starter template in https://demos.creative-tim.com/material-kit/docs/2.0/getting-started/introduction.html to get an idea about the correct code structure.

Describe alternatives you've considered
N/A

Additional context
The design should not be changed.

Are you working on it?
Yes/No

[YoshithaRathnayake]

Shall I work on this ?