feat: add settings modal

public/locales/en/common.json

@@ -31,5 +31,9 @@
   "generic-error-description": "An error has occurred, if this happens again please <a href=\"https://github.com/Sonny93/my-links\" target=\"_blank\">create an issue</a> with as much detail as possible.",
   "retry": "Retry",
   "privacy": "Privacy",
-  "terms": "Terms of use"
+  "terms": "Terms of use",
+  "language": {
+    "fr": "French",
+    "en": "English"
+  }
 }

public/locales/fr/common.json

@@ -31,5 +31,9 @@
   "generic-error-description": "Une erreur est survenue, si cela se reproduit merci de <a href=\"https://github.com/Sonny93/my-links\" target=\"_blank\">créer une issue</a> avec le maximum de détails.",
   "retry": "Recommencer",
   "privacy": "Confidentialité",
-  "terms": "CGU"
+  "terms": "CGU",
+  "language": {
+    "fr": "Français",
+    "en": "Anglais"
+  }
 }