add lars v2 preview image

input/projects/lars.md

 
 The software is not quite finished yet, but without access to the hardware I'm not really able to work on it further.
 
-For now.
+For now...
+
+<!--%
+lightgallery([
+    [ "img/lars_v2_1.jpg", "LARS V2" ],
+])
+%-->
 
 ## More Pictures
 <a class="anchor" name="more_pictures"></a>