Set up as a Buzz Desktop harness in one command

yolop into buzz writes a custom harness file for Buzz Desktop, next to the
existing yolop into zed and yolop into paseo commands. Buzz then starts
Yolop over ACP.
yolop into buzzRunning the command again keeps your env values and any extra fields in the
file; --force replaces the file completely.
See In your editor, over ACP and #579.