feat(invoice-ninja): add invoice ninja integration

packages/backend/src/apps/invoice-ninja/common/add-auth-header.ts

@@ -0,0 +1,20 @@
+import { TBeforeRequest } from '@automatisch/types';
+
+const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  const { instanceUrl } = $.auth.data;
+
+  if (instanceUrl) {
+    requestConfig.baseURL = instanceUrl as string;
+  }
+
+  requestConfig.headers['X-API-TOKEN'] = $.auth.data.apiToken as string;
+
+  requestConfig.headers['X-Requested-With'] = 'XMLHttpRequest';
+
+  requestConfig.headers['Content-Type'] =
+    requestConfig.headers['Content-Type'] || 'application/json';
+
+  return requestConfig;
+};
+
+export default addAuthHeader;