Change system+login shell to Dash, add zsh and configuration

programs/pipewire-start/pipewire-start.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 /usr/bin/pipewire &
 /usr/bin/pipewire-pulse &
 /usr/bin/wireplumber

programs/plasma-blank/plasmablank-root.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 timeout 5s ydotoold &
 sleep 1
 ydotool key 1:1 1:0

programs/plasma-blank/plasmablank.sh

@@ -1,3 +1,3 @@
-#!/usr/bin/env bash
+#!/bin/sh
 qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock
 doas /usr/local/bin/plasmablank-root.sh

programs/powerset/powerset.sh

@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
+#!/bin/sh
 for CPU in $(seq 0 $(($(nproc) - 1))); do
-    echo $1 > /sys/devices/system/cpu/cpu"$CPU"/cpufreq/scaling_governor
+    printf $1 > /sys/devices/system/cpu/cpu"$CPU"/cpufreq/scaling_governor
     cat /sys/devices/system/cpu/cpu"$CPU"/cpufreq/scaling_governor
 done