Added .themes directory, as it contains a mild amount of untracked content.

.themes/papirus/gtk-3.0/gtk.scss

@@ -0,0 +1,12 @@
+// General guidelines:
+// - very unlikely you want to edit something else than _common.scss
+// - keep the number of defined colors to a minimum, use the color blending functions if
+//   you need a subtle shade
+// - if you need to inverse a color function use the @if directive to match for dark $variant
+
+$variant: 'light';
+
+@import 'colors';
+@import 'drawing';
+@import 'common';
+@import 'colors-public';