sponsors: Add Timely Learning

Author: gmta

src/components/landing/sponsors.astro

@@ -173,6 +173,10 @@ const sponsors = [
         name: "Gian Giovani",
         href: "https://wejick.wordpress.com",
       },
+      {
+        name: "Timely Learning",
+        href: "https://www.timely-learning.com",
+      },
     ],
   },
   {