updated Thunar.sh to include gtk-3.0 config if not present

assets/gtk-3.0/bookmarks

@@ -0,0 +1,8 @@
+file:///home/ja/Documents
+file:///home/ja/Downloads
+file:///home/ja/Pictures
+file:///home/ja/Videos
+file:///home/ja/00shared-drives/shared-1TB
+file:///home/ja/00shared-drives/shared-500G
+file:///home/ja/00shared-drives/shared-500G/000-git-packages
+file:///home/ja/00shared-drives/shared-500G/Music-shared

assets/gtk-3.0/settings.ini

@@ -0,0 +1,17 @@
+[Settings]
+gtk-theme-name=Andromeda-dark
+gtk-icon-theme-name=Flat-Remix-Blue-Dark
+gtk-font-name=Fira Code Semi-Bold 14
+gtk-cursor-theme-name=Bibata-Modern-Ice
+gtk-cursor-theme-size=24
+gtk-toolbar-style=GTK_TOOLBAR_ICONS
+gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
+gtk-button-images=1
+gtk-menu-images=1
+gtk-enable-event-sounds=1
+gtk-enable-input-feedback-sounds=0
+gtk-xft-antialias=1
+gtk-xft-hinting=1
+gtk-xft-hintstyle=hintslight
+gtk-xft-rgba=rgb
+gtk-application-prefer-dark-theme=1