Add KYC translations, AI button, improve chat, swap homepage sections

- Add missing kycOverview.list translations (en + ru)
- Add AI assistant button to navigation (left of globe)
- Improve AI chat layout: fixed textarea at bottom, full width
- Swap homepage sections: How it works before Who it's for

i18n/locales/en/kycOverview.json

@@ -3,6 +3,17 @@
     "header": {
       "title": "KYC verification"
     },
+    "list": {
+      "title": "My applications",
+      "unnamed": "Unnamed company",
+      "submitted": "Submitted",
+      "inn": "INN",
+      "status": {
+        "approved": "Approved",
+        "rejected": "Rejected",
+        "pending": "Pending"
+      }
+    },
     "errors": {
       "title": "Error",
       "retry": "Retry",