feat: add favorites panel to meal generator, remove redundant Another one button

- Add clickable favorites counter with expandable panel
- Render saved recipes list with remove button
- Remove duplicate 'Another one' button (Generate already covers it)
- Sync favorite button state when removing from panel

astro.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig } from "astro/config";
+import tailwindcss from "@tailwindcss/vite";
+import sitemap from "@astrojs/sitemap";
+
+export default defineConfig({
+  site: "https://randify.pro",
+  integrations: [sitemap()],
+  vite: {
+    plugins: [tailwindcss()],
+  },
+  i18n: {
+    defaultLocale: "en",
+    locales: ["en", "ru"],
+    routing: {
+      prefixDefaultLocale: false,
+    },
+  },
+});