fix: clean up and restructure menus and ui

scripts/ui/install_menu.sh

@@ -0,0 +1,66 @@
+install_ui(){
+  top_border
+  echo -e "|     ${green}~~~~~~~~~~~ [ Installation Menu ] ~~~~~~~~~~~${default}     | "
+  hr
+  echo -e "|  You need this menu usually only for installing       | "
+  echo -e "|  all necessary dependencies for the various           | "
+  echo -e "|  functions on a completely fresh system.              | "
+  hr
+  echo -e "|  Firmware:             |  Webinterface:               | "
+  echo -e "|  1) [Klipper]          |  3) [DWC2]                   | "
+  echo -e "|                        |  4) [Mainsail]               | "
+  echo -e "|  Klipper API:          |  5) [Octoprint]              | "
+  echo -e "|  2) [Moonraker]        |                              | "
+  quit_footer
+}
+
+install_menu(){
+  print_header
+  install_ui
+  while true; do
+    echo -e "${cyan}"
+    read -p "Perform action: " action; echo
+    echo -e "${default}"
+    case "$action" in
+      1)
+        clear
+        print_header
+        install_klipper
+        print_msg && clear_msg
+        install_ui;;
+      2)
+        clear
+        print_header
+        install_moonraker
+        print_msg && clear_msg
+        install_ui;;
+      3)
+        clear
+        print_header
+        install_dwc2
+        print_msg && clear_msg
+        install_ui;;
+      4)
+        clear
+        print_header
+        INST_MAINSAIL="true" && install_mainsail
+        print_msg && clear_msg
+        install_ui;;
+      5)
+        clear
+        print_header
+        install_octoprint
+        print_msg && clear_msg
+        install_ui;;
+      Q|q)
+        clear; main_menu; break;;
+      *)
+        clear
+        print_header
+        print_unkown_cmd
+        print_msg && clear_msg
+        install_ui;;
+    esac
+  done
+  install_menu
+}