Resolve "Urls in invitation email contains the /django/ prefix"

Closes #840 (closed)

aleksis/core/frontend/routes.js

@@ -1055,6 +1055,14 @@ const routes = [
       titleKey: "about.page_title",
     },
   },
+  {
+    path: "/invitations/accept-invite/:code",
+    component: () => import("./components/LegacyBaseTemplate.vue"),
+    props: {
+      byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+    },
+    name: "invitations.accept_invite",
+  },
 ];
 
 // This imports all known AlekSIS app entrypoints