Passing filename directly in example code

[hannob]

Your sample tool expects the filename to be passed with -i.

I think this could be made simpler by just accepting a filename, e.g.
ds_storeviewer [path_to]/.DS_Store

Also in case no parameter is given at all you could just try if .DS_Store exists in the current directory with its original filename and parse that.

Furthermore I'd suggest to have the example code as a file itself and not as part of the readme.

[gehaxelt]

Hi @hannob ,
thanks for the suggestions! I've opened a PR which should fix the issues.

Do you mind reviewing it?