Broken link to latest developer docs.

[ByteJoseph]

The link labeled “Latest developer documentation” in the README points to a non existent page and returns a 404 error.

[HunterZ]

I just encountered this as well, so I can confirm that it's a problem. What is the intended URL?

Based on boost.beat's readme, it might be: https://www.boost.org/doc/libs/master/libs/process/