Translate description editor placeholder

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/components/Editor.vue

@@ -296,7 +296,7 @@ export default class EditorComponent extends Vue {
         new History(),
         new Placeholder({
           emptyClass: 'is-empty',
-          emptyNodeText: 'Write something …',
+          emptyNodeText: this.$t('Write something…'),
           showOnlyWhenEditable: false,
         }),
         new Image(),

js/src/i18n/en_US.json

@@ -293,6 +293,7 @@
 	"Welcome to Mobilizon, {username}!": "Welcome to Mobilizon, {username}!",
 	"Who can view this event and participate": "Who can view this event and participate",
 	"World map": "World map",
+	"Write something…": "Write something…",
 	"You and one other person are going to this event": "You're the only one going to this event | You and one other person are going to this event | You and {approved} persons are going to this event.",
 	"You are already a participant of this event.": "You are already a participant of this event.",
 	"You are already logged-in.": "You are already logged-in.",

js/src/i18n/fr_FR.json

@@ -293,6 +293,7 @@
     "Welcome to Mobilizon, {username}!": "Bienvenue sur Mobilizon, {username} !",
     "Who can view this event and participate": "Qui peut voir cet événement et y participer",
     "World map": "Carte mondiale",
+    "Write something…": "Écrivez quelque chose…",
     "You and one other person are going to this event": "Vous êtes le ou la seule à vous rendre à cet événement | Vous et une autre personne vous rendez à cet événement | Vous et {approved} autres personnes vous rendez à cet événement.",
     "You are already a participant of this event.": "Vous participez déjà à cet événement.",
     "You are already logged-in.": "Vous êtes déjà connecté.",