Adaptive UI

[kuylar]

Details

Adds support for landscape layouts

Related issues/PRs

Closes #15

Changes proposed

• Change some RecyclerViews to be grids in landscape/large screens
• Replace the bottom navigation bar with a vertical navigation rail on landscape layouts
  • you have no idea how hard this was because of the god damned miniplayer
• Make the player have a landscape layout -- todo list
• Add landscape layouts for specific renderers, mainly because of places where they are mixed (search. it's just search.)