Account for iTerm2 sent keys in dircycle plugin

plugins/dircycle/dircycle.plugin.zsh

@@ -26,5 +26,12 @@ insert-cycledright () {
 }
 zle -N insert-cycledright
 
-bindkey "\e[1;6D" insert-cycledleft
-bindkey "\e[1;6C" insert-cycledright
+
+# add key bindings for iTerm2
+if [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
+	bindkey "^[[1;6D" insert-cycledleft
+	bindkey "^[[1;6C" insert-cycledright
+else
+	bindkey "\e[1;6D" insert-cycledleft
+	bindkey "\e[1;6C" insert-cycledright
+fi
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