New home view layout (#58)

* Home layout refactor, moved new download to dialog

* sort downloads by date

frontend/src/features/formatSelection/formatSelectionSlice.ts

@@ -0,0 +1,7 @@
+import { createSlice, PayloadAction } from '@reduxjs/toolkit'
+
+export interface FormatSelectionState {
+  bestFormat: string
+  audioFormat: string
+  videoFormat: string
+}