feat(ads): restore custom AdBanner with Admitad link

src/components/AdBanner.astro

@@ -0,0 +1,86 @@
+---
+interface Props {
+  size: "leaderboard" | "rectangle" | "tile";
+}
+
+const { size } = Astro.props;
+
+const ads = [
+  {
+    href: "https://kjuzv.com/g/q6gfnfvsq067a6d0fce8a804937a48/?erid=MvGzQC98w3Z1gMq1kx5ACoy5",
+    label: "Читай-город — книги со скидкой",
+    sublabel: "Более 3 млн книг с доставкой по всей России",
+    cta: "Купить",
+    ctaMobile: "Купить",
+  },
+];
+
+const ad = ads[Math.floor(Math.random() * ads.length)];
+
+const specs = {
+  leaderboard: { class: "w-full h-[90px]", horizontal: true },
+  rectangle: { class: "w-full max-w-[300px] h-[250px]", horizontal: false },
+  tile: { class: "w-full h-[250px]", horizontal: false },
+};
+
+const { class: sizeClass, horizontal } = specs[size];
+---
+
+<aside aria-label="Реклама">
+  <a
+    href={ad.href}
+    target="_blank"
+    rel="noopener sponsored"
+    class={`${sizeClass} flex ${horizontal ? "flex-row items-center gap-4 px-6" : "flex-col items-center justify-center gap-3 px-4"} rounded-xl border border-zinc-800 bg-zinc-900/50 hover:border-accent/50 hover:bg-zinc-900 transition-colors duration-200 group`}
+  >
+    <svg
+      class="shrink-0 text-accent"
+      width={horizontal ? "32" : "40"}
+      height={horizontal ? "32" : "40"}
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      aria-hidden="true"
+    >
+      <path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20" />
+      <path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z" />
+    </svg>
+
+    {
+      horizontal ? (
+        <>
+          <div class="flex-1 min-w-0">
+            <div class="text-xs font-medium text-zinc-500 uppercase tracking-widest mb-0.5">
+              Реклама
+            </div>
+            <div class="text-sm font-semibold text-zinc-100 group-hover:text-accent transition-colors leading-tight">
+              {ad.label}
+            </div>
+            <div class="text-xs text-zinc-500 mt-0.5">{ad.sublabel}</div>
+          </div>
+          <span class="shrink-0 text-xs font-semibold text-white bg-accent px-3 py-1.5 rounded-lg group-hover:bg-accent-hover transition-colors whitespace-nowrap">
+            {ad.cta}
+          </span>
+        </>
+      ) : (
+        <>
+          <div class="text-center">
+            <div class="text-xs font-medium text-zinc-500 uppercase tracking-widest mb-2">
+              Реклама
+            </div>
+            <div class="text-base font-semibold text-zinc-100 group-hover:text-accent transition-colors leading-snug">
+              {ad.label}
+            </div>
+            <div class="text-xs text-zinc-500 mt-1">{ad.sublabel}</div>
+          </div>
+          <span class="text-xs font-semibold text-white bg-accent px-4 py-2 rounded-lg group-hover:bg-accent-hover transition-colors">
+            {ad.ctaMobile}
+          </span>
+        </>
+      )
+    }
+  </a>
+</aside>

src/layouts/GeneratorLayout.astro

@@ -1,5 +1,6 @@
 ---
 import BaseLayout from "./BaseLayout.astro";
+import AdBanner from "../components/AdBanner.astro";
 import SeoBlock from "../components/SeoBlock.astro";
 import FaqBlock from "../components/FaqBlock.astro";
 import RelatedGenerators from "../components/RelatedGenerators.astro";
@@ -136,6 +137,10 @@ const breadcrumbSchema = {
     </main>
     </div>
 
+    <div class="mt-12 flex justify-center">
+      <AdBanner size="leaderboard" />
+    </div>
+
     <SeoBlock
       lang={lang}
       howTo={isRu ? generator.ruHowTo : generator.howTo}

src/pages/index.astro

@@ -1,6 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro";
 import GeneratorCard from "@/components/GeneratorCard.astro";
+import AdBanner from "@/components/AdBanner.astro";
 import { generators } from "@/data/generators";
 import { useT } from "@/i18n/translations";
 import type { Lang } from "@/i18n/translations";
@@ -69,6 +70,8 @@ const webSiteSchema = {
       </ul>
     </nav>
 
+    <AdBanner size="leaderboard" />
+
     <main class="mt-8">
       <div
         class="grid gap-3"

src/pages/ru/index.astro

@@ -1,6 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro";
 import GeneratorCard from "@/components/GeneratorCard.astro";
+import AdBanner from "@/components/AdBanner.astro";
 import { generators } from "@/data/generators";
 import { useT } from "@/i18n/translations";
 import type { Lang } from "@/i18n/translations";
@@ -65,6 +66,8 @@ const webSiteSchema = {
       </ul>
     </nav>
 
+    <AdBanner size="leaderboard" />
+
     <main class="mt-8">
       <div
         class="grid gap-3"