Pull request: Configuration: improve version output

Merge in DNS/adguard-home-wiki from 2416-version-docs to master

Squashed commit of the following:

commit 34012f1313684d2d708e1262188451953c5101b6
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Wed Mar 31 12:50:38 2021 +0300

    configuration: fix table of contents

commit 9e373fb3683aa3ea5796c9199f037ca994bf94c6
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Mar 30 17:51:35 2021 +0300

    configuration: upd help output
Eugene Burkov 2021-03-31 12:57:47 +03:00
parent 7311264e63
commit d43f75c106

@ -36,7 +36,7 @@ Options:
--no-mem-optimization Disable memory optimization
-v, --verbose Enable verbose output
--glinet Run in GL-Inet compatibility mode
--version Show the version and exit
--version Show the version and exit. Show more detailed version description with -v
--help Print this help
```