misc changes

xmonad: added new layout+keybinds, removed useless code
neovim: minor changes
hosts/satori: changed kernel to zen again
home/services and home/programs: minor changes
overlays: changed picom src and other minor changes

overlays/customscripts/src/killmpd

@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-killall mpdas
-killall mpd_discord_richpresence
-systemctl stop mpd.socket --user
-systemctl stop mpd.service --user

overlays/customscripts/src/mpdp

@@ -1,5 +0,0 @@
-#!/usr/bin/env sh
-#systemctl start mpd.service --user
-systemctl start mpd.socket --user
-mpdas &
-mpd_discord_richpresence &