[DOC] Added HOST_TAGS column

Author: intellitrend-team

README.md

@@ -48,7 +48,8 @@ The following CSV columns are supported:
 | NAME                  | Host name.                                                   |                                                              | ❌        |
 | VISIBLE_NAME          | Host visible name.                                           |                                                              | ✔        |
 | HOST_GROUPS           | List of host group names, separated by a '\|'. Missing host groups are created automatically.            |          |✔|
-| HOST_TAGS             | List of host tags, separated by a '\|'. The tag format can be either be ``tag name`` or ``tag name=tag value``. |          |✔|
+| HOST_TAGS             | List of host tags, separated by a '\|'. The tag format can be either be ``tag name`` (empty value) or ``tag name=tag value``. |          |✔|
+| HOST_MACROS           | List of host macros, separated by a '\|'. The macro format can be either be ``{$MACRONAME}`` (empty value) or ``{$MACRONAME}=macro value``. |          |✔|
 | PROXY                 | Name of the proxy that should monitor the host.              |                                                              | ✔        |
 | TEMPLATES             | List of template names to assign to the host, separated by a '\|'. Templates must exist with the specified name.             |          |✔|
 | AGENT_IP              | Interface: Zabbix Agent IP address.                          |                                                              | ✔        |