Fix failing dev without internet

src/lib/discord.ts

@@ -1,3 +1,5 @@
+import { siteConfig } from './config.ts';
+
 const formatter = Intl.NumberFormat('en-US', {
   notation: 'compact',
 });
@@ -14,6 +16,16 @@ export async function getDiscordInfo(): Promise<{
     return discordStats;
   }
 
+  if (import.meta.env.DEV) {
+    return {
+      url: 'https://roadmap.sh/discord',
+      total: 27000,
+      totalFormatted: '27k',
+      online: 49,
+      onlineFormatted: '3.44k',
+    };
+  }
+
   const response = await fetch(
     'https://discord.com/api/v9/invites/cJpEt5Qbwa?with_counts=true',
   );