sponsors: Add Blacksmith

Since Blacksmith has sponsored us with a service they provide instead of
a regular tiered sponsorship, we introduce a new section called
"Infrastructure Sponsors".

Author: gmta

public/assets/img/sponsor-blacksmith.svg

@@ -175,6 +175,16 @@ const sponsors = [
       },
     ],
   },
+  {
+    name: "Infrastructure Sponsors",
+    sponsors: [
+      {
+        name: "Blacksmith",
+        href: "https://www.blacksmith.sh",
+        logo: "/assets/img/sponsor-blacksmith.svg",
+      },
+    ],
+  },
 ];
 ---
 
@@ -189,7 +199,9 @@ const sponsors = [
           <div class="mb-[64px] relative">
             <div class="flex items-center mb-6">
               <span class="block w-full h-[1px] bg-[#d3d2d6]" />
-              <span class="text-2xl shrink-0 font-semibold px-5">{tier.name}</span>
+              <span class="text-2xl shrink-0 font-semibold px-5">
+                {tier.name}
+              </span>
               <span class="block w-full h-[1px] bg-[#d3d2d6]" />
             </div>
             <div class="flex flex-wrap items-center justify-center gap-4">