fix: add site to astro config to fix og image

astro.config.mjs

@@ -6,7 +6,8 @@ import vercel from "@astrojs/vercel/serverless";
 
 // https://astro.build/config
 export default defineConfig({
+  site: 'https://bin.durocodes.me',
   integrations: [tailwind(), preact()],
   output: 'server',
   adapter: vercel()
-});
+});