* add a new ExecStart= flag that inserts the configured user's shell as first
word in the command line. (maybe use character '.'). Usecase: tool such as
- uid0 can use that to spawn the target user's default shell.
+ run0 can use that to spawn the target user's default shell.
* varlink: figure out how to do docs for our varlink interfaces. Idea: install
interface files augmented with docs in /usr/share/ somewhere. And have