mod_admin_shell: Add config:set([host,] key, value) because why not
We had config:get() but not this.
> <MattJ> Yeah, why did we never implement that?
Handy if you want to quickly try out settings without reloading the
whole config.
root = true
[*]
end_of_line = lf
indent_style = tab
insert_final_newline = true
trim_trailing_whitespace = true
[CHANGES]
indent_size = 4
indent_style = space
[configure]
indent_size = 3
indent_style = space
[**.xml]
indent_size = 2
indent_style = space