Update french language. (#94)

Signed-off-by: shadow2560 <24191064+shadow2560@users.noreply.github.com>

assets/romfs/i18n/fr.json

@@ -30,9 +30,9 @@
   "Sd": "Sd",
   "Image System memory": "Image de la mémoire System",
   "Image microSD card": "Image de la Carte microSD",
-  "Slow": "",
-  "Normal": "",
-  "Fast": "",
+  "Slow": "Lent",
+  "Normal": "Normal",
+  "Fast": "Rapide",
   "Yes": "Oui",
   "No": "Non",
   "Enabled": "Activé(e)",
@@ -99,7 +99,7 @@
   "Install forwarders": "Installer les Forwarders",
   "Install location": "Emplacement d'installation",
   "Show install warning": "Afficher l'avertissement d'installation",
-  "Text scroll speed": "",
+  "Text scroll speed": "Vitesse de défilement du texte",
 
   "FileBrowser": "Explorateur de Fichiers",
   "%zd files": "%zd fichiers",
@@ -238,7 +238,7 @@
   "Update avaliable: ": "Mise à jour disponible: ",
   "Download update: ": "Télécharger la mise à jour: ",
   "Updated to ": "Mis à jour vers ",
-  "Press OK to restart Sphaira": "",
+  "Press OK to restart Sphaira": "Appuyez sur OK pour redémarrer Sphaira",
   "Restart Sphaira?": "Redémarrer Sphaira?",
   "Failed to download update": "Echec du téléchargement de la mise à jour",
   "Restore hbmenu?": "Restaurer hbmenu?",