fix(lang): configured fr locale

frontend/next-i18next.config.js

@@ -8,7 +8,7 @@ module.exports = {
   debug: process.env.NODE_ENV === "development",
   i18n: {
     defaultLocale: "en",
-    locales: ["en", "ko"],
+    locales: ["en", "ko", "fr"],
   },
   fallbackLng: {
     default: ["en"],

frontend/pages/login.tsx

@@ -160,7 +160,7 @@ export default function Login() {
           <ListBox
             selected={lang}
             onChange={setLanguage}
-            data={["en", "ko"]}
+            data={["en", "ko", "fr"]}
             isFull
             text={`${t("common:language")}: `}
           />

frontend/pages/settings/personal/[id].js

@@ -126,7 +126,7 @@ export default function PersonalSettings() {
                 <ListBox
                   selected={lang}
                   onChange={setLanguage}
-                  data={["en", "ko"]}
+                  data={["en", "ko", "fr"]}
                   width="full"
                   text={`${t("common:language")}: `}
                 />