Herdr now connects to multiple servers with a single client

Herdr is a fantastic product and I've experienced almost no bugs. Can't actually remember if I've come across one. For ease of use, nothing else comes close for running remote sessions, or local for that matter.

The ability to connect to remote systems inside a local tui sounds fine but it's already a terrific remote solution! Try it out if you haven't!

Misleading title. Herdr was able to connect to remote servers before (via `herdr --remote`). A Herdr client was either local or remote, and if you wanted to have both, you would run each one in a separate terminal tab.

Today's release brings mixing and matching local and remote sessions within one client.