Migrate to Vue 3 and Vite

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

js/src/i18n/gd.json

@@ -10,7 +10,7 @@
   "0 Bytes": "0 baidht",
   "<b>{contact}</b> will be displayed as contact.": "Thèid <b>{contact}</b> a shealltain mar neach-conaltraidh.|Thèid <b>{contact}</b> a shealltain mar luchd-conaltraidh.|Thèid <b>{contact}</b> a shealltain mar luchd-conaltraidh.|Thèid <b>{contact}</b> a shealltain mar luchd-conaltraidh.",
   "@{group}": "@{group}",
-  "@{username}": "@{username}",
+  "{'@'}{username}": "{'@'}{username}",
   "@{username} ({role})": "@{username} ({role})",
   "@{username}'s follow request was accepted": "Chaidh gabhail ris an t-iarrtas leantainn aig @{username}",
   "@{username}'s follow request was rejected": "Chaidh an t-iarrtas leantainn aig @{username} a dhiùltadh",
@@ -1245,7 +1245,7 @@
   "instance rules": "riaghailtean an ionstans",
   "mobilizon-instance.tld": "ionstans-mobilizon.tld",
   "more than 1360 contributors": "còrr is 1360 luchd-cuideachaidh",
-  "new@email.com": "ùr@post-d.com",
+  "new{'@'}email.com": "ùr{'@'}post-d.com",
   "profile@instance": "ainm@ionstans",
   "report #{report_number}": "gearan #{report_number}",
   "return to the event's page": "till gu duilleag an tachartais",