Update projects.liquid to include width and height

Author: sajeedmehrab

_includes/projects.liquid

@@ -6,7 +6,8 @@
           include figure.liquid
           loading="eager"
           path=project.img
-          sizes = "250px"
+          width="250px"
+          height="150px"
           alt="project thumbnail"
           class="card-img-top"
         %}