refactor: i18n routing, shared GeneratorLayout, analytics component, content collections

- Add Astro native i18n routing (prefixDefaultLocale: false)
- Introduce GeneratorLayout to deduplicate all generator pages
- Enrich generator data with pageTitle, ruPageTitle, howTo/whenTo arrays
- Make EN and RU generator pages identical using @/ path aliases
- Extract analytics (Yandex Metrika + Top.Mail.Ru) into Analytics.astro
- Move tracker IDs to src/data/config.ts, inject via define:vars
- Migrate generator metadata to Content Collections (src/content/generators/*.json)
- Add Zod schema with .strict() validation in src/lib/generator-schema.ts
- Update CLAUDE.md with new conventions

astro.config.mjs

@@ -1,11 +1,18 @@
-import { defineConfig } from 'astro/config';
-import tailwindcss from '@tailwindcss/vite';
-import sitemap from '@astrojs/sitemap';
+import { defineConfig } from "astro/config";
+import tailwindcss from "@tailwindcss/vite";
+import sitemap from "@astrojs/sitemap";
 
 export default defineConfig({
-  site: 'https://randify.pro',
+  site: "https://randify.pro",
   integrations: [sitemap()],
   vite: {
     plugins: [tailwindcss()],
   },
+  i18n: {
+    defaultLocale: "en",
+    locales: ["en", "ru"],
+    routing: {
+      prefixDefaultLocale: false,
+    },
+  },
 });