major restructuring for using snowfall

modules/home/zsh/functions.zsh

@@ -0,0 +1,12 @@
+#!/usr/bin/env zsh
+# My custom zsh functions
+
+fzf-z() {
+    dir=$(z | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
+    cd $dir
+}
+
+mkcd ()
+{
+    mkdir -p -- "$1" && cd -P -- "$1"
+}