Vehicle page changes

[abhishekshree]

• Updated the file structure for vehicle pages
• Changed the UI as planned (Accordions and tabs added along with model-viewer)
• data.js datastore created. For #30 @shubhamkorde

[abhishekshree]

I have updated the PR @shubhamkorde The changes are:

• Added correct Varun Data and images
• Removed Shadows from the cad models
• Corrected CSS classnames.