feat: Wabenhain Honig-Shop Anwendung

Vollstaendige Next.js/Prisma-E-Commerce-Anwendung fuer eine Imkerei:
Shop, Warenkorb, Stripe-Checkout, Kundenkonto mit 2FA, Admin-Bereich
(Produkte, Ernten, Chargen, Bestellungen, Gutscheine, admin-editierbare
Website-Inhalte), i18n (DE/EN), Rate-Limiting/CSP/Audit-Log-Haertung,
PostgreSQL- und MySQL-Unterstuetzung ueber austauschbare Prisma-
Treiber-Adapter, Unit-/Komponenten-/E2E-Tests.

e2e/homepage.spec.ts

@@ -0,0 +1,17 @@
+import { test, expect } from "@playwright/test";
+
+test("homepage shows the hero heading and primary navigation", async ({ page }) => {
+  await page.goto("/");
+
+  await expect(page.getByRole("heading", { name: /Honig aus den Westlichen Wäldern/i })).toBeVisible();
+  await expect(page.getByRole("navigation").getByRole("link", { name: "Shop", exact: true })).toBeVisible();
+});
+
+test("homepage newsletter form is present and accepts an email", async ({ page }) => {
+  await page.goto("/");
+
+  const emailField = page.getByPlaceholder("[email protected]");
+  await expect(emailField).toBeVisible();
+  await emailField.fill("[email protected]");
+  await expect(emailField).toHaveValue("[email protected]");
+});