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/chat-svc/data/config.json

@@ -0,0 +1,21 @@
+{
+  "version": 1,
+  "setupComplete": false,
+  "preferences": {},
+  "personalization": {},
+  "modelProviders": [
+    {
+      "id": "fcb353be-4daf-46f9-bb14-b3a27c63a347",
+      "name": "Transformers",
+      "type": "transformers",
+      "chatModels": [],
+      "embeddingModels": [],
+      "config": {},
+      "hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
+    }
+  ],
+  "search": {
+    "searxngURL": "",
+    "newsRegion": "auto"
+  }
+}