feat: Add new web frontend

infra/dns.ts

@@ -0,0 +1,5 @@
+export const domain = (() => {
+  if ($app.stage === "production") return "nestri.io"
+  if ($app.stage === "dev") return "nestri.io"
+  return `${$app.stage}.dev.nestri.io`
+})()

infra/www.ts

@@ -0,0 +1,9 @@
+import { domain } from "./dns";
+
+new sst.cloudflare.x.Astro("Web", {
+  domain,
+  path: "packages/web",
+  environment: {
+    SST_STAGE: $app.stage,
+  },
+})