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/clock.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+LABEL=$(date '+%H:%M')
+sketchybar --set "$NAME" icon=" " label="$LABEL"