add:prep for create user

frontend/src/lib/components/UserEditForm.svelte

@@ -11,8 +11,56 @@
   /** @type {App.Locals['subscriptions']}*/
   export let subscriptions;
 
-  /** @type {App.Locals['user']}*/
+  /** @type {App.Locals['user'] | null} */
   export let user;
+  if (user == null) {
+    user = {
+      id: 0,
+      email: "",
+      first_name: "",
+      last_name: "",
+      phone: "",
+      address: "",
+      zip_code: "",
+      city: "",
+      company: "",
+      date_of_birth: "",
+      notes: "",
+      profile_picture: "",
+      payment_status: 0,
+      status: 1,
+      role_id: 0,
+      membership: {
+        id: 0,
+        start_date: "",
+        end_date: "",
+        status: 3,
+        parent_member_id: 0,
+        subscription_model: {
+          id: 0,
+          name: "",
+        },
+      },
+      licence: {
+        id: 0,
+        status: 1,
+        licence_number: "",
+        issued_date: "",
+        expiration_date: "",
+        country: "",
+        licence_categories: [],
+      },
+      bank_account: {
+        id: 0,
+        mandate_date_signed: "",
+        bank: "",
+        account_holder_name: "",
+        iban: "",
+        bic: "",
+        mandate_reference: "",
+      },
+    };
+  }
 
   /** @type {App.Locals['licence_categories']} */
   export let licence_categories;