Merge pull request #204 from haskellfoundation/freckle-sponsor

Add Freckle logo as a Functor sponsor (thanks!)

Author: nikivazou

assets/images/sponsors/freckle/freckle-logo-200.png

@@ -0,0 +1,7 @@
+---
+title: Freckle
+logo: /assets/images/sponsors/freckle/freckle-logo-683.png
+srcset: /assets/images/sponsors/freckle/freckle-logo-200.png 200w, /assets/images/sponsors/freckle/freckle-logo-400.png 400w, /assets/images/sponsors/freckle/freckle-logo-683.png 683w
+externalUrl: https://freckle.com/
+level: Functor
+---