Rewrote setup script to use function to link

Backup GTK theme (Sweet Dark).

dotfiles/.Xresources

@@ -0,0 +1,25 @@
+! URxvt.font: xft:DejaVu Sans Mono:size=14
+URxvt.font: xft:Hack Nerd Font:size=14
+! URxvt.font: xft:Hack NF:size=18
+! URxvt.font: xft:Hack:size=18
+
+/* transparency {{{ */
+
+URxvt*inheritPixmap: true
+!
+! URxvt*transparent: false
+URxvt*transparent: true
+!
+! URxvt*shading: 0 (blackest) to 99 black, 101 to 200 (whitest) white
+! URxvt*shading: 40
+URxvt*shading: 35
+
+/* }}} transparency */
+
+URxvt.scrollBar: false
+
+! Clickable URLs {{{ */
+URxvt.perl-ext-common: default,matcher
+URxvt.url-launcher: /usr/bin/xdg-open
+URxvt.matcher.button: 1
+! }}} Clickable URLs */