refactor: Use graphql schema directly with graphql-tools library

packages/backend/src/graphql/query-resolvers.ts

@@ -0,0 +1,21 @@
+import getApps from './queries/get-apps';
+import getApp from './queries/get-app';
+import getConnectedApps from './queries/get-connected-apps';
+import getAppConnections from './queries/get-app-connections';
+import testConnection from './queries/test-connection';
+import getFlow from './queries/get-flow';
+import getFlows from './queries/get-flows';
+import getStepWithTestExecutions from './queries/get-step-with-test-executions';
+
+const queryResolvers = {
+  getApps,
+  getApp,
+  getConnectedApps,
+  getAppConnections,
+  testConnection,
+  getFlow,
+  getFlows,
+  getStepWithTestExecutions,
+};
+
+export default queryResolvers;