feat: implement dynamic OpenGraph image generation (#254)

* feat: implement dynamic OpenGraph image generation

* refactor: cleanup codebase

* feat: remove dead code

Author: jobehi

website/astro.config.mjs

@@ -1,4 +1,5 @@
 import { defineConfig } from 'astro/config';
+import sitemap from '@astrojs/sitemap';
 
 // https://astro.build/config
 export default defineConfig({
@@ -7,5 +8,6 @@ export default defineConfig({
   build: {
     assets: 'assets',
   },
+  integrations: [sitemap()],
   outDir: './dist',
 });