docs: moving stuff around, added some comments

tests/user/create-user/create-user.e2e-spec.ts

@@ -8,6 +8,8 @@ import { getTestServer, TestServer } from '../../jestSetupAfterEnv';
 
 const feature = loadFeature('tests/user/create-user/create-user.feature');
 
+// e2e test implementing a Gherkin feature file
+
 defineFeature(feature, test => {
   let testServer: TestServer;
   let httpServer: request.SuperTest<request.Test>;

tests/user/create-user/create-user.feature

@@ -1,3 +1,5 @@
+# This is a Gherkin feature file https://cucumber.io/docs/gherkin/reference/
+
 Feature: Create a user
 
 Scenario: Creating a user happy path