Add admin panel, cart, checkout, and digital key delivery

Co-authored-by: Cursor <cursoragent@cursor.com>

app/static/js/main.js

@@ -1,24 +1,4 @@
 (() => {
-  const toast = document.getElementById("toast");
-  let toastTimer;
-
-  const showToast = (message) => {
-    if (!toast) return;
-    toast.hidden = false;
-    toast.textContent = message;
-    clearTimeout(toastTimer);
-    toastTimer = setTimeout(() => {
-      toast.hidden = true;
-    }, 2600);
-  };
-
-  document.querySelectorAll("[data-buy]").forEach((button) => {
-    button.addEventListener("click", () => {
-      const slug = button.getAttribute("data-buy");
-      showToast(`«${slug}» — оплата скоро будет подключена`);
-    });
-  });
-
   const reveals = document.querySelectorAll(".reveal");
   if ("IntersectionObserver" in window) {
     const observer = new IntersectionObserver(