refactor: Add GUI setup script and install graphical apps if GUI is detected

gui/bluemail.sh

@@ -0,0 +1 @@
+snap install bluemail

gui/setup.sh

@@ -0,0 +1,9 @@
+apt install floorp
+apt install snapd
+apt install flatpak
+
+chmod +x ./gui/spotify.sh
+./gui/spotify.sh
+
+chmod +x ./gui/bluemail.sh
+./gui/bluemail.sh

gui/spotify.sh

@@ -0,0 +1,4 @@
+curl -sS https://download.spotify.com/debian/pubkey_6224F9941A8AA6D1.gpg | sudo gpg --dearmor --yes -o /etc/apt/trusted.gpg.d/spotify.gpg
+echo "deb http://repository.spotify.com stable non-free" | sudo tee /etc/apt/sources.list.d/spotify.list
+
+sudo apt-get update && sudo apt-get install spotify-client

setup.sh

@@ -51,3 +51,11 @@ install_node_if_no_gui() {
 configure_terminal
 configure_apt_cacher
 install_node_if_no_gui
+
+if [ -z "$XDG_CURRENT_DESKTOP" ]; then
+        echo "No GUI detected, not installing graphical apps..."
+    else
+        echo "GUI detected, let's install some graphical apps!"
+        sudo chmod +x ./gui/setup.sh
+        ./gui/setup.sh
+    fi