feat: add app improvements without build-flow changes

Author: DamnCrab

package-lock.json

@@ -47,10 +47,13 @@
     "@tauri-apps/plugin-updater": "^2.10.0",
     "@xterm/addon-fit": "^0.10.0",
     "@xterm/xterm": "^5.5.0",
+    "i18next": "^25.8.18",
+    "i18next-browser-languagedetector": "^8.2.1",
     "lucide-react": "^0.562.0",
     "prismjs": "^1.30.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "react-i18next": "^16.5.8",
     "react-markdown": "^10.1.0",
     "remark-gfm": "^4.0.1",
     "tauri-plugin-liquid-glass-api": "^0.1.6",