Docs: Add configuration screenshot to Mimikatz feature page

Author: shreyamalviya

docs/content/features/credentials_collectors/mimikatz.md

@@ -11,3 +11,5 @@ pre: "<i class='fa fa-cat'></i> "
 The Mimikatz Credentials Collector uses [pypykatz](https://github.com/skelsec/pypykatz)
 (a pure-Python implementation of [mimikatz](https://github.com/gentilkiwi/mimikatz))
 to steal credentials from Windows Credential Manager.
+
+![Mimikatz Configuration](/images/island/configuration-page/mimikatz-credentials-collector-configuration.png "Mimikatz configuration")