Added i18n dependency

01-frontend/package-lock.json

@@ -12,9 +12,12 @@
         "@emotion/styled": "^11.14.0",
         "@mui/icons-material": "^7.0.2",
         "@mui/material": "^7.0.2",
+        "i18next": "^25.2.0",
+        "i18next-browser-languagedetector": "^8.1.0",
         "mui": "^0.0.1",
         "react": "^19.0.0",
         "react-dom": "^19.1.0",
+        "react-i18next": "^15.5.1",
         "react-router-dom": "^7.5.3"
       },
       "devDependencies": {
@@ -2880,6 +2883,55 @@
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
       "license": "MIT"
     },
+    "node_modules/html-parse-stringify": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/html-parse-stringify/-/html-parse-stringify-3.0.1.tgz",
+      "integrity": "sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==",
+      "license": "MIT",
+      "dependencies": {
+        "void-elements": "3.1.0"
+      }
+    },
+    "node_modules/i18next": {
+      "version": "25.2.0",
+      "resolved": "https://registry.npmjs.org/i18next/-/i18next-25.2.0.tgz",
+      "integrity": "sha512-ERhJICsxkw1vE7G0lhCUYv4ZxdBEs03qblt1myJs94rYRK9loJF3xDj8mgQz3LmCyp0yYrNjbN/1/GWZTZDGCA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://locize.com"
+        },
+        {
+          "type": "individual",
+          "url": "https://locize.com/i18next.html"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.i18next.com/how-to/faq#i18next-is-awesome.-how-can-i-support-the-project"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.27.1"
+      },
+      "peerDependencies": {
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/i18next-browser-languagedetector": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.1.0.tgz",
+      "integrity": "sha512-mHZxNx1Lq09xt5kCauZ/4bsXOEA2pfpwSoU11/QTJB+pD94iONFwp+ohqi///PwiFvjFOxe1akYCdHyFo1ng5Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.23.2"
+      }
+    },
     "node_modules/ignore": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -3456,6 +3508,32 @@
         "react": "^19.1.0"
       }
     },
+    "node_modules/react-i18next": {
+      "version": "15.5.1",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.5.1.tgz",
+      "integrity": "sha512-C8RZ7N7H0L+flitiX6ASjq9p5puVJU1Z8VyL3OgM/QOMRf40BMZX+5TkpxzZVcTmOLPX5zlti4InEX5pFyiVeA==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.25.0",
+        "html-parse-stringify": "^3.0.1"
+      },
+      "peerDependencies": {
+        "i18next": ">= 23.2.3",
+        "react": ">= 16.8.0",
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        },
+        "react-native": {
+          "optional": true
+        },
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/react-is": {
       "version": "19.1.0",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-19.1.0.tgz",
@@ -3833,7 +3911,7 @@
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
       "integrity": "sha512-84MVSjMEHP+FQRPy3pX9sTVV/INIex71s9TL2Gm5FG/WG1SqXeKyZ0k7/blY/4FdOzI12CBy1vGc4og/eus0fw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
@@ -4010,6 +4088,15 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/void-elements": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-3.1.0.tgz",
+      "integrity": "sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",

01-frontend/package.json

@@ -15,9 +15,12 @@
     "@emotion/styled": "^11.14.0",
     "@mui/icons-material": "^7.0.2",
     "@mui/material": "^7.0.2",
+    "i18next": "^25.2.0",
+    "i18next-browser-languagedetector": "^8.1.0",
     "mui": "^0.0.1",
     "react": "^19.0.0",
     "react-dom": "^19.1.0",
+    "react-i18next": "^15.5.1",
     "react-router-dom": "^7.5.3"
   },
   "devDependencies": {

01-frontend/src/components/i18n/i18n.ts

@@ -0,0 +1,10 @@
+import i18next from "i18next";
+import { initReactI18next } from "react-i18next";
+import LanguageDetector from "i18next-browser-languagedetector";
+
+i18next
+    .use(initReactI18next) // Passes i18n down to react-i18next
+    .use(LanguageDetector) // Detects user language
+    .init({
+        fallbackLng: "en"
+    })