Merge pull request #56 from Syralist/flickr

added flickr icon and stub

index.html

@@ -380,6 +380,11 @@
             <img class="icon" src="images/icons/threema.svg" alt="Threema Logo">Threema</a>
         <br>
 
+        <!-- Flickr -->
+        <a class="button button-flickr" href="#" target="_blank" rel="noopener">
+            <img class="icon" src="images/icons/flickr.svg" alt="Flickr Logo">Flickr</a>
+        <br>
+
         <br>
         <!-- 
             Footer: