change macos directory layout

macos/scripts/setup_ytfzf

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo "downloading ytfzf"
+mkdir -p ~/.local/bin
+curl -sL "https://raw.githubusercontent.com/pystardust/ytfzf/master/ytfzf" >~/.local/bin/ytfzf
+chmod 755 ~/.local/bin/ytfzf
+echo "ytfzf ✓"