docs: add fumadocs documentation site (#142)

docs/src/lib/layout.shared.tsx

@@ -0,0 +1,11 @@
+import type { BaseLayoutProps } from 'fumadocs-ui/layouts/shared';
+import { i18n } from '@/lib/i18n';
+
+export function baseOptions(_locale: string): BaseLayoutProps {
+  return {
+    nav: {
+      title: 'VidBee',
+    },
+    i18n,
+  };
+}