Pull request 196: 5345-ipset-file-comments

Squashed commit of the following:

commit cbc102e17b3592f77e6034981aa3c462f62433c0
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Tue Apr 2 15:12:57 2024 +0300

    Configuration: ipset file comments

Configuration.md

@@ -626,7 +626,7 @@ Settings are stored in [YAML format](https://en.wikipedia.org/wiki/YAML), possib
       the specified domain names to an ipset list. Syntax:
 
       ```none
-      DOMAIN[,DOMAIN].../IPSET_NAME[,IPSET_NAME]
+      DOMAIN[,DOMAIN,…]/IPSET_NAME[,IPSET_NAME,…]
       ```
 
       IPv4 addresses are added to an ipset list with `ipv4` family; IPv6
@@ -636,6 +636,7 @@ Settings are stored in [YAML format](https://en.wikipedia.org/wiki/YAML), possib
       `--ipset` in dnsmasq.
     - `ipset_file` **(since v0.107.13):** Same as `ipset`, but the rules are
       read from a file.  If this property is set, property `ipset` is ignored.
+      Comments (lines starting with `#`) are supported **since v0.107.48**.
     - `upstream_timeout` **(since v0.107.0):** The timeout for querying upstream
       servers.  Zero value will be rewritten with default one which is `10s`.
     - `resolve_clients` **(since v0.106.0):** Enable/disable resolving clients'