feat: init translation

src/main/webapp/package.json

@@ -20,12 +20,16 @@
     "@fortawesome/react-fontawesome": "^0.2.0",
     "axios": "^1.6.5",
     "browser-image-compression": "^2.0.2",
+    "i18next": "^25.7.4",
+    "i18next-browser-languagedetector": "^8.2.0",
+    "i18next-http-backend": "^3.0.2",
     "jszip": "^3.10.1",
     "leaflet": "^1.9.4",
     "obs-websocket-js": "^5.0.7",
     "proj4": "^2.11.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "react-i18next": "^16.5.2",
     "react-is": "^19.0.0",
     "react-leaflet": "^4.2.1",
     "react-loader-spinner": "^6.1.6",