feat: add PrettyGCode for Klipper

scripts/install_pgc_for_klipper.sh

@@ -0,0 +1,37 @@
+### base variables
+PGC_FOR_KLIPPER_REPO="https://github.com/Kragrathea/pgcode"
+PGC_DIR="${HOME}/pgcode"
+
+install_pgc_for_klipper(){
+  pgconfsrc="$PGC_DIR/pgcode.local.conf"
+  pgconf="/etc/nginx/sites-available/pgcode.local.conf"
+  pgconfsl="/etc/nginx/sites-enabled/pgcode.local.conf"
+  pgc_default_port="7136"
+
+  status_msg "Installing PrettyGCode for Klipper ..."
+  ### let the user decide which port is used
+  echo -e "${cyan}\n###### On which port should PrettyGCode run? (Default: $pgc_default_port)${default} "
+  read -e -p "${cyan}###### Port:${default} " -i "$pgc_default_port" pgc_custom_port
+  ### check nginx dependency
+  dep=(nginx)
+  dependency_check
+  ### clone repo
+  [ -d $PGC_DIR ] && rm -rf $PGC_DIR
+  cd ${HOME} && git clone $PGC_FOR_KLIPPER_REPO
+  ### copy nginx config into destination directory
+  sudo cp $pgconfsrc $pgconf
+  ### replace default pi user in case the user is called different
+  sudo sed -i "s|/home/pi/pgcode;|/home/${USER}/pgcode;|" $pgconf
+  ### replace default port
+  if [ $pgc_custom_port != $pgc_default_port ]; then
+    sudo sed -i "s|listen $pgc_default_port;|listen $pgc_custom_port;|" $pgconf
+    sudo sed -i "s|listen \[::\]:$pgc_default_port;|listen \[::\]:$pgc_custom_port;|" $pgconf
+  fi
+  ### create symlink
+  [ ! -L $pgconfsl ] && sudo ln -s $pgconf $pgconfsl
+  sudo systemctl restart nginx
+  ### show URI
+  pgc_uri="http://$(hostname -I | cut -d" " -f1):$pgc_custom_port"
+  echo -e "${cyan}\n● Accessible via:${default} $pgc_uri"
+  ok_msg "PrettyGCode for Klipper installed!\n"
+}