refac: GET /v1/auth/registration

api/handlers/auth/loginHandler.go

@@ -129,6 +129,12 @@ func (h *LoginHandler) Register(w http.ResponseWriter, r *http.Request) {
 	_, _ = w.Write(message)
 }
 
+func (h *LoginHandler) RegistrationStatus(w http.ResponseWriter, _ *http.Request) {
+	body, _ := json.Marshal(map[string]bool{"open": h.CreateUseCase.IsRegistrationOpen()})
+	w.Header().Set("Cache-Control", "no-store")
+	_, _ = w.Write(body)
+}
+
 func (h *LoginHandler) Logout(w http.ResponseWriter, _ *http.Request) {
 	removeJwtCookie(w, h.IsProduction)
 	message, _ := json.Marshal(map[string]any{"message": "User logged out! HTTPonly jwt cookie deleted"})