added subtitle to edit permissions page

scm-ui/public/locales/de/repos.json

@@ -80,6 +80,7 @@
     }
   },
   "permission": {
+    "title": "Berechtigungen bearbeiten",
     "user": "Benutzer",
     "group": "Gruppe",
     "error-title": "Fehler",

scm-ui/public/locales/en/repos.json

@@ -80,6 +80,7 @@
     }
   },
   "permission": {
+    "title": "Edit Permissions",
     "user": "User",
     "group": "Group",
     "error-title": "Error",

scm-ui/src/repos/permissions/containers/Permissions.js

@@ -24,6 +24,7 @@ import {
 import {
   Loading,
   ErrorPage,
+  Subtitle,
   LabelWithHelpIcon
 } from "@scm-manager/ui-components";
 import type {
@@ -143,6 +144,7 @@ class Permissions extends React.Component<Props> {
 
     return (
       <div>
+        <Subtitle subtitle={t("permission.title")} />
         <table className="has-background-light table is-hoverable is-fullwidth">
           <thead>
             <tr>