added cloudflare server render and deploy

astro.config.mjs

@@ -1,6 +1,9 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
 
+import cloudflare from '@astrojs/cloudflare';
+
 // https://astro.build/config
 export default defineConfig({
-});
+  adapter: cloudflare()
+});