There is no need for convoluted channels and other async fanciness.
Expose a single XDGOpen static function that runs a command and returns
an error if any.
Caller is responsible of running this in an async goroutine if needed.
Signed-off-by: Robin Jarry <robin@jarry.cc>
Tested-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Moritz Poldrack <moritz@poldrack.dev>