fix: Manage hooks functionality; Create hook, Edit Hook (#2346)

src/app/system/manage-hooks/create-hook/create-hook.component.scss

@@ -11,6 +11,14 @@
   }
 }
 
+mat-divider {
+  margin: 0 0 0.5em;
+}
+
 table {
   width: 100%;
 }
+
+.AddEventButton {
+  margin-bottom: 10px;
+}