fix: prevent /etc/ merge issues (#43)

* fix: prevent /etc/ merge issues
discussed at length in #28
also including tons of comments about the issue

* fix: change references of /etc/ to /usr/etc

etc/justfile

@@ -26,7 +26,7 @@ distrobox-ubuntu:
 setup-flatpaks:
   #!/bin/bash
   echo 'Installing flatpaks from the ublue recipe ...'
-  flatpaks=$(yq '.flatpaks[]' < /etc/ublue-recipe.yml)
+  flatpaks=$(yq '.flatpaks[]' < /usr/etc/ublue-recipe.yml)
   for pkg in $flatpaks; do \
       echo "Installing: ${pkg}" && \
       flatpak install --user --noninteractive flathub $pkg; \

etc/profile.d/ublue-firstboot.sh

@@ -1,6 +1,6 @@
 if test "$(id -u)" -gt "0" && test -d "$HOME"; then
     if test ! -e "$HOME"/.config/autostart/ublue-firstboot.desktop; then
         mkdir -p "$HOME"/.config/autostart
-        cp -f /etc/skel.d/.config/autostart/ublue-firstboot.desktop "$HOME"/.config/autostart
+        cp -f /usr/etc/skel.d/.config/autostart/ublue-firstboot.desktop "$HOME"/.config/autostart
     fi
 fi

etc/skel.d/.config/autostart/ublue-firstboot.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=uBlue First Boot Setup
 Comment=Sets up uBlue Desktop Correctly On FirstBoot
-Exec=/usr/bin/yafti /etc/yafti.yml
+Exec=/usr/bin/yafti /usr/etc/yafti.yml
 Icon=org.gnome.Terminal
 Type=Application
 Categories=Utility;System;