Initial scaffold: offertesysteem (clients, projects, quotes, quote_items)

- Next.js 15 + TypeScript + Tailwind, standalone output
- SQLite schema: users, clients, projects, quotes, quote_items
- HMAC-signed sessie-cookie auth
- Dockerfile (Node 22 Alpine, multi-stage)
- create-admin script
- Doel: portal.rikxplatform.nl

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/create-admin.ts

@@ -0,0 +1,16 @@
+import { getDb } from "../lib/db";
+import { hashPassword } from "../lib/auth";
+
+const email = process.argv[2];
+const password = process.argv[3];
+const name = process.argv[4] || "Admin";
+
+if (!email || !password) {
+  console.error("Gebruik: npx tsx scripts/create-admin.ts <email> <wachtwoord> [naam]");
+  process.exit(1);
+}
+
+const db = getDb();
+const hash = hashPassword(password);
+db.prepare("INSERT INTO users (email, password_hash, name) VALUES (?, ?, ?)").run(email, hash, name);
+console.log(`Admin aangemaakt: ${email}`);