WIP: Integration branch with darwin and deck support

- Added darwin and jovian inputs
- Added platform-specific package configurations
- Added darwinConfigurations and deck nixosConfiguration
- Copied darwin and deck specific files
- Fixed darwin version compatibility

Some configurations still need debugging

home/darwin/sketchybar/plugins/cpu.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+sketchybar --set "$NAME" icon="" label="$(ps -A -o %cpu | awk '{s+=$1} END {s /= 8} END {printf "%.1f%%\n", s}')"