add ics link to events

i18n/de.yaml

@@ -45,3 +45,6 @@ lightTheme:
 
 shareOn:
   other: "Teilen bei"
+
+addToCalendar:
+  other: "Zum Kalender hinzufügen."

i18n/en.yaml

@@ -45,3 +45,6 @@ lightTheme:
 
 shareOn:
   other: "Share on"
+
+addToCalendar:
+  other: "Add to your calendar."

layouts/partials/postInfo.html

@@ -28,6 +28,8 @@
                 </ul>
         {{ end }}
     </div>
-
+    {{ with  .OutputFormats.Get "calendar" -}}
+        <p><a href="{{ .Permalink | safeURL }}">{{i18n "addToCalendar"}}</a></p>
+    {{- end }}
     <div>{{ partial "share-buttons.html" . }}</div>
 </div>