Added gnome set once desktop to autostart on starup and script to load

etc/skel/.config/autostart/gnome_set_once.desktop

@@ -0,0 +1,17 @@
+[Desktop Entry]
+Comment[en_US]=Loads GNOME settings at first start
+Comment=Loads GNOME settings at first start
+Exec=sh -c ~/gnome_set_once.sh
+GenericName[en_US]=
+GenericName=
+Icon=variety
+MimeType=
+Name[en_US]=Dconf Loader
+Name=Dconf Loader
+Path=
+StartupNotify=true
+Terminal=false
+TerminalOptions=
+Type=Application
+X-KDE-SubstituteUID=false
+X-KDE-Username=

etc/skel/gnome_set_once.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+gsettings set org.gnome.desktop.interface color-scheme prefer-dark
+gsettings set org.gnome.Console use-system-font false
+gsettings set org.gnome.Console custom-font 'JetBrainsMonoNL Nerd Font 12'
+gsettings set org.gnome.Terminal.Legacy.Profile:/org/gnome/terminal/legacy/profiles:/:b1dcc9dd-5262-4d8d-a863-c897e6d979b9/ use-system-font false
+gsettings set org.gnome.Terminal.Legacy.Profile:/org/gnome/terminal/legacy/profiles:/:b1dcc9dd-5262-4d8d-a863-c897e6d979b9/ font 'JetBrainsMono Nerd Font 12'
+
+# Removing script and gnome_set_once.desktop
+rm ~/.config/autostart/gnome_set_once.desktop ~/gnome_set_once.sh