Update: Added UDE and fixed content warning

src/components/LoginMain.vue

@@ -8,7 +8,7 @@
       <div>
         <button class="btn btn-primary w-100" name="getORCiDForm" @click.prevent="clickGetORCiDForm">
           <span>
-            <img alt="ORCID logo" id="orcid-id-logo" src="https://orcid.org/sites/default/files/images/orcid_24x24.png" width="23" height="20" />
+            <img alt="ORCID logo" id="orcid-id-logo" src='@/assets/orcid_24x24.png'  width="23" height="20" />
           </span>
           <span>  {{ $t('login_button_orcid') }}</span>
         </button>

src/components/LogoutMain.vue

@@ -4,7 +4,7 @@
     <div class="row" v-show="orcidLoggedIn">
       <button class="btn btn-primary w-100" @click.prevent="clickLogoutOrcid">
         <span>
-          <img alt="ORCID logo" id="orcid-id-logo" src="https://orcid.org/sites/default/files/images/orcid_24x24.png" width="25" height="25" />
+          <img alt="ORCID logo" id="orcid-id-logo" src='@/assets/orcid_24x24.png' width="25" height="25" />
         </span>
         <span>  {{ $t('logout_button_orcid') }}</span>
       </button>

src/data/dfnaai.json

 {
+  "https://idp.uni-duisburg-essen.de/idp/shibboleth": {
+    "DisplayName": {
+      "de": "Universität Duisburg-Essen",
+      "en": "Universität Duisburg-Essen"
+    }
+  },
   "https://login.fh-aachen.de/idp/shibboleth": {
     "DisplayName": {
       "de": "Fachhochschule Aachen",