Add stickermule

Author: andrewsosa

webapp/public/sass/index/sponsors.sass

@@ -20,7 +20,7 @@ section.section.sponsors
             @include touch
                 margin-bottom: 2rem
 
-            figure.image
+            figure.image, a.image
                 display: flex
                 justify-content: center
                 align-items: center

webapp/views/index/segments/sponsors.pug

@@ -28,3 +28,6 @@ block append content
         +sponsor(2, "/img/sponsors/domistation/domiLogo.png")
         +sponsor(2, "/img/sponsors/digitalocean/DO_Logo_Vertical_Black.png")
         +sponsor(2, "/img/sponsors/fccu/FCCU_horiz-3C_logotag.png")
+        div(class="column is-2")
+          a.image(href="http://hackp.ac/mlh-stickermule-hackathons")
+            img(src="/img/sponsors/stickermule/stickermule-logo.png")