feat: Implement get app config API endpoint

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

@@ -1,13 +1,9 @@
 import AppConfig from '../../src/models/app-config.js';
 
 export const createAppConfig = async (params = {}) => {
-  const appConfigData = {
-    key: params?.key || 'gitlab',
-  };
+  params.key = params?.key || 'gitlab';
 
-  const appConfig = await AppConfig.query()
-    .insert(appConfigData)
-    .returning('*');
+  const appConfig = await AppConfig.query().insert(params).returning('*');
 
   return appConfig;
 };

packages/backend/test/mocks/rest/api/v1/app-configs/get-app-config.js

@@ -0,0 +1,24 @@
+const getAppConfigMock = (appConfig) => {
+  return {
+    data: {
+      id: appConfig.id,
+      key: appConfig.key,
+      allowCustomConnection: appConfig.allowCustomConnection,
+      shared: appConfig.shared,
+      disabled: appConfig.disabled,
+      canConnect: appConfig.canConnect,
+      canCustomConnect: appConfig.canCustomConnect,
+      createdAt: appConfig.createdAt.getTime(),
+      updatedAt: appConfig.updatedAt.getTime(),
+    },
+    meta: {
+      count: 1,
+      currentPage: null,
+      isArray: false,
+      totalPages: null,
+      type: 'AppConfig',
+    },
+  };
+};
+
+export default getAppConfigMock;