Update Readme with instructions how to use files

README.md

@@ -2,3 +2,15 @@ Configure fail2ban
 ==================
 
 This is a helper role with tasks and files missing from `Oefenweb.fail2ban`.
+
+### How to make use of this role
+
+- Copy your filter and jail files to the corresponding directories of this role.
+- Set path variables at `host_vars`.
+
+### Variables
+
+| Variable | Description |
+|--|--|
+| `fail2ban_filterd_path` | Path to directory containing filters to copy (note the trailing slash) |
+| `fail2ban_jaild_path` | Path to directory containing jails to copy (note the trailing slash) |