HostActionsHook: initial very simple implementation

refs #8208

modules/monitoring/library/Monitoring/Web/Hook/HostActionsHook.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Icinga\Module\Monitoring\Web\Hook;
+
+use Icinga\Module\Monitoring\Object\Host;
+
+abstract class HostActionsHook
+{
+    abstract public function getActionsForHost(Host $host);
+}