feat(config): add initial project configuration files

vercel.json

@@ -0,0 +1,8 @@
+{
+	"$schema": "https://openapi.vercel.sh/vercel.json",
+	"framework": "astro",
+	"installCommand": "bun install",
+	"buildCommand": "bun run build",
+	"outputDirectory": "dist",
+	"redirects": [{ "source": "/sitemap.xml", "destination": "/sitemap-index.xml", "permanent": true }]
+}