[sh] Add easy font listing alias

Added `fontfamilies` alias which tries to remove duplicate entries from
the `fc-list` command and display them. Can be used for easy finding of
installed font-families, thus the name.

sh/.config/sh/alias.d/fontlist.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+#
+# list each individual font family installed
+# without doing all the duplicate doo-hop of fc-list
+
+# alias fonts='fc-list -f ''%{family}\n'' | awk ''!x[$0]++'''
+
+fontfamilies() {
+  fc-list -f '%{family}\n' | awk '!x[$0]++'
+}