Remake website

[AlexPerathoner]

https://alexperathoner.github.io/SlimHUD/index.html has outdated info and design

• Theme color should probably change to orange (if the banner in #114 is orange) - was blue because of the bird
• Jekyll should still be used, to create the version page (or we get rid of it completely)
• Icons and screens should change
• Documentation should just link to the github wiki
• Home page should look a bit more interesting

[AlexPerathoner]

@kaydenanderson could you make a mockup of the home page?

[kaydenanderson]

@AlexPerathoner sure thing! :)