Create skeleton loading screens

[Freeassassin]

Changes:

Add a skeleton of elements when loading pages.

Visuals:

Requirements:

• [ ] Watch this video
• [ ] Add the idea behind the video to the <Suspense> tag in the profile page. See this video for more info for how to use <Suspense>

Resources:

Link any resources or people that might be helpful in the accomplishment of the issue.

Tutorials:

• Skeleton Loading Tutorial
• React lazy loading Tutorial

Documentation:

• Suspense Docs

[RohinMarok]

I'm working on this, I'll submit a PR for this one.