add RU locale

web/package.json

@@ -8,6 +8,9 @@
     "axios": "^0.21.1",
     "clsx": "^1.1.1",
     "fontsource-roboto": "^4.0.0",
+    "i18next": "^20.3.1",
+    "i18next-browser-languagedetector": "^6.1.1",
+    "i18next-xhr-backend": "^3.2.2",
     "konva": "^8.0.1",
     "lodash": "^4.17.21",
     "material-ui-image": "^3.3.2",
@@ -16,6 +19,7 @@
     "react-copy-to-clipboard": "^5.0.3",
     "react-div-100vh": "^0.6.0",
     "react-dom": "^17.0.2",
+    "react-i18next": "^11.10.0",
     "react-konva": "^17.0.2-4",
     "react-measure": "^2.5.2",
     "react-scripts": "4.0.3",