major restructuring for using snowfall

non-nix/zsh/custom-plugins/fzf-z.zsh

@@ -0,0 +1,6 @@
+#!/usr/bin/zsh
+
+fzf-z() {
+    dir=$(z | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
+    cd $dir
+}

non-nix/zsh/custom-plugins/last-working-dir.zsh

@@ -0,0 +1,21 @@
+#!/usr/bin/zsh
+#
+# My version of the last-working-dir plugin (https://github.com/ohmyzsh/ohmyzsh/blob/master/plugins/last-working-dir/last-working-dir.plugin.zsh)
+#
+# Updates the last directory once directory is changed
+autoload -U add-zsh-hook
+add-zsh-hook chpwd chpwd_last_working_dir
+chpwd_last_working_dir() {
+  # Don't run in subshells
+  [[ "$ZSH_SUBSHELL" -eq 0 ]] || return 0
+  pwd > ~/.last-working-dir
+}
+
+# Changes directory to the last working directory
+lwd() {
+    if [[ -r ~/.last-working-dir ]]; then
+        lwd=$(cat ~/.last-working-dir)
+        cd $lwd
+        echo $lwd
+    fi
+}