App sidebar: floating window

long click to launch app in floating window

Change-Id: I9b5df1cceb2314ee0f8727136c007c481346a264
Make menus and dialogs 90% transparent

Drawables by - Tun_SD (Daniel Seidel)

PS2: Add xhdpi normal and DarkUI ones

Change-Id: Ida77cee2c788505437e06262dc3ae9cbbc6cbe4d