Added a new abstract theme which is based on Vimix

Changes:

       Added a new abstract theme which based on Vimix.

Fixes:

       Fixed a tiny bug in the StylishDark install script.

grub-theme-slaze/Install

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# Slaze - Grub2 Abstract Theme
+
+ROOT_UID=0
+
+# Welcome message
+echo -e "\n\t**********************************\n\t*  Slaze - Grub2 Abstract Theme  *\n\t**********************************"
+
+# Check command avalibility
+function has_command() {
+    command -v $1 > /dev/null
+}
+
+echo -e "\nChecking for root access..."
+
+# Checking for root access and proceed if it is present
+if [ "$UID" -eq "$ROOT_UID" ]; then
+
+  # Create themes directory if not exists
+  echo -e "Checking for the existence of themes directory..."
+  mkdir -p /boot/grub/themes
+
+  # Copy Slaze
+  echo -e "Installing Slaze theme..."
+  cp -a Slaze /boot/grub/themes
+
+  # Set Slaze
+  echo -e "Setting Slaze as default..."
+  grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub
+  echo "GRUB_THEME=\"/boot/grub/themes/Slaze/theme.txt\"" >> /etc/default/grub
+
+  # Update grub config
+  echo -e "Updating grub config..."
+  if has_command update-grub; then
+    update-grub
+  elif has_command grub-mkconfig; then
+    grub-mkconfig -o /boot/grub/grub.cfg
+  fi
+
+  # Success message
+  echo -e "\n\t          ***************\n\t          *  All done!  *\n\t          ***************\n"
+
+else
+  # Error message
+  echo -e "\n\t  ******************************\n\t  *  Error! -> Run me as root  *\n\t  ******************************\n"
+fi

grub-theme-slaze/Slaze/theme.txt

@@ -0,0 +1,40 @@
+# GRUB2 gfxmenu Linux Slaze theme
+# Designed for any resolution
+
+# Global Property
+title-text: ""
+desktop-image: "background.jpg"
+desktop-color: "#000000"
+terminal-font: "Unifont Regular 16"
+terminal-box: "terminal_box_*.png"
+terminal-left: "0"
+terminal-top: "0"
+terminal-width: "100%"
+terminal-height: "100%"
+terminal-border: "0"
+
+# Show the boot menu
++ boot_menu {
+  left = 30%
+  top = 30%
+  width = 45%
+  height = 60%
+  item_font = "Unifont Regular 16"
+  item_color = "#cccccc"
+  selected_item_color = "#ffffff"
+  item_height = 24
+  item_spacing = 12
+  selected_item_pixmap_style = "select_*.png"
+}
+
+# Show a countdown message using the label component
++ label {
+  top = 82%
+  left = 35%
+  width = 30%
+  align = "center"
+  id = "__timeout__"
+  text = "Booting in %d seconds"
+  color = "#cccccc"
+  font = "Unifont Regular 16"
+}