Added cli.py for use with pyinstaller

make_cli_exe.sh

@@ -0,0 +1,8 @@
+#!/bin/sh 
+
+# This will build an stand-alone executable called 'osxphotos' in your ./dist directory
+# using pyinstaller
+# If you need to install pyinstaller:
+# python3 -m pip install --upgrade pyinstaller
+
+pyinstaller --onefile --hidden-import="pkg_resources.py2_warn" --name osxphotos --add-data osxphotos/templates/xmp_sidecar.mako:osxphotos/templates cli.py