chore(arch): start installing rices

.chezmoiscripts/run_onchange_arch-install-rice.sh.tmpl

@@ -0,0 +1,23 @@
+{{ if (and (eq .chezmoi.os "linux") (eq .chezmoi.osRelease.idLike "arch")) -}}
+#!/bin/bash
+
+_apply_grub_theme() {
+    TMPDIR=$(mktemp -d)
+
+    git clone https://github.com/catppuccin/grub.git $TMPDIR
+    cd $TMPDIR/grub
+
+    sudo cp -r src/catppuccin-macchiato-grub-theme /usr/share/grub/themes/
+
+    sudo sed -i \
+    -e 's|^[[:space:]]*#\?[[:space:]]*GRUB_THEME=.*|GRUB_THEME="/usr/share/grub/themes/catppuccin-macchiato-grub-theme/theme.txt"|' \
+    -e '$a GRUB_THEME="/usr/share/grub/themes/catppuccin-macchiato-grub-theme/theme.txt"' \
+    /etc/default/grub
+
+    sudo grub-mkconfig -o /boot/grub/grub.cfg
+}
+
+_apply_grub_theme
+
+
+{{ end -}}