maddy

 1caddyfile lexer copied from [caddy](https://github.com/caddyserver/caddy) project.
 2
 3Taken from the following commit:
 4```
 5commit ed4c2775e46b924d4851e04cc281633b1b2c15af
 6Author: Alexander Danilov <SmilingNavern@users.noreply.github.com>
 7Date:   Wed Aug 21 20:13:34 2019 +0300
 8
 9    main: log caddy version on start (#2717)
10
11```
12
13License of the original code is included in LICENSE.APACHE file in this
14directory.
15
16No signficant changes was made to the code (e.g. it is safe to update it from
17caddy repo).
18
19The code is copied because caddy brings quite a lot of dependencies we don't
20use and this slows down many tools.