fix orcid

Author: Zack-83

_includes/persons_de.html

@@ -3,7 +3,7 @@
     <div class="team-member-info">
       <strong>{{ member.name }}</strong>
       <a href='https://orcid.org/{{ member.orcid }}' target='_blank'>
-        <img src='./img/logos/ORCiD.PNG' style='width:16px; height:16px; vertical-align:super;' alt='ORCID Logo'/>
+        <img src='//img/logos/ORCiD.PNG' style='width:16px; height:16px; vertical-align:super;' alt='ORCID Logo'/>
       </a>
       {{ member.text.de | markdownify }}
     </div>

_includes/persons_en.html

@@ -3,7 +3,7 @@
     <div class="team-member-info">
       <strong>{{ member.name }}</strong>
       <a href='https://orcid.org/{{ member.orcid }}' target='_blank'>
-        <img src='./img/logos/ORCiD.PNG' style='width:16px; height:16px; vertical-align:super;' alt='ORCID Logo'/>
+        <img src='//img/logos/ORCiD.PNG' style='width:16px; height:16px; vertical-align:super;' alt='ORCID Logo'/>
       </a>
       {{ member.text.en | markdownify }}
     </div>