Adding localization

- Replaced the text for localization.
- Added Select to select the language in the Header.
- Localization of the DateTime format.
- Added Russian language.

package.json

@@ -16,12 +16,16 @@
     "axios": "^1.7.4",
     "downshift": "^6.1.12",
     "export-from-json": "^1.7.3",
+    "i18next": "^23.16.2",
+    "i18next-browser-languagedetector": "^8.0.0",
+    "i18next-http-backend": "^2.6.2",
     "lodash": "^4.17.21",
     "luxon": "^3.4.4",
     "markdown-to-jsx": "^7.5.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-router-dom": "^6.27.0",
+    "react-i18next": "^15.1.0",
     "react-sticky-el": "^2.0.9",
     "web-vitals": "^2.1.3",
     "xlsx": "^0.18.5"