[zsh] Update shell init: rc

zsh/func/init_rc_configure_zle

@@ -0,0 +1,27 @@
+#!/usr/bin/env zsh
+# Eryn Wells <eryn@erynwells.me>
+
+function init_rc_configure_zle
+{
+    shell-log 'Configuring ZLE'
+
+    local mode=$1
+    if [[ -z "$mode" ]]; then
+        mode=emacs
+    fi
+
+    function configure_zle_emacs { }
+    function configure_zle_vim { }
+
+    shell-log -l debug "Using $mode command line editing mode"
+    if [[ $mode == 'vim' ]]; then
+        bindkey -v
+        configure_zle_vim
+        zle -A .backward-delete-char vi-backward-delete-char
+    elif [[ $mode == 'emacs' ]]; then
+        bindkey -e
+        configure_zle_emacs
+    fi
+}
+
+init_rc_configure_zle "$@"