feat: implement app-auth-client endpoint

packages/backend/test/factories/app-config.js

@@ -0,0 +1,13 @@
+import AppConfig from '../../src/models/app-config.js';
+
+export const createAppConfig = async (params = {}) => {
+  const appConfigData = {
+    key: params?.key || 'gitlab',
+  };
+
+  const appConfig = await AppConfig.query()
+    .insert(appConfigData)
+    .returning('*');
+
+  return appConfig;
+};