Added missing files. Added snaphot before update.

config/gtk-3.0/settings.ini

@@ -0,0 +1,15 @@
+[Settings]
+gtk-theme-name=Adwaita-dark
+gtk-icon-theme-name=Adwaita
+gtk-font-name=Cantarell 11
+gtk-cursor-theme-size=0
+gtk-toolbar-style=GTK_TOOLBAR_BOTH
+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=1
+gtk-xft-antialias=1
+gtk-xft-hinting=1
+gtk-xft-hintstyle=hintfull
+gtk-application-prefer-dark-theme=1