feat: default locale Russian, geo determines language for other countries

- localization-svc: defaultLocale ru, resolveLocale only by geo
- web-svc: DEFAULT_LOCALE ru, layout lang=ru, embeddedTranslations fallback ru
- countryToLocale: default ru when no country or unknown country

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

services/localization-svc/src/index.ts

@@ -0,0 +1,27 @@
+import express from 'express';
+import cors from 'cors';
+import localeRouter from './routes/locale.js';
+import translationsRouter from './routes/translations.js';
+
+const app = express();
+
+app.use(cors({ origin: true }));
+const PORT = parseInt(process.env.PORT ?? '3016', 10);
+
+app.use(express.json({ limit: '1mb' }));
+
+app.use('/api', localeRouter);
+app.use('/api', translationsRouter);
+
+app.get('/health', (_, res) =>
+  res.json({ status: 'ok', service: 'localization-svc' }),
+);
+app.get('/ready', (_, res) => res.json({ status: 'ready' }));
+
+app.listen(PORT, '0.0.0.0', () => {
+  console.log(`localization-svc listening on :${PORT}`);
+  console.log(`  Locale (GET):       /api/locale`);
+  console.log(`  Locale (POST):      /api/locale (with client data in body)`);
+  console.log(`  Translations:      /api/translations/:locale`);
+  console.log(`  Supported locales:  /api/locales`);
+});