Implement route based code splitting and lazy loading

[Akshay R R]

Feature request:

Implement route-based code splitting and lazy loading so that what is needed only will be loaded and the rest will be loaded asynchronously.

This will improve load time and performance!

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[Akshay R R]

i want to work on this under gssoc21 @Manvityagi @vaishali614.

[Vaishali]

@akshay1027 Go ahead