docs add readme

README.md

@@ -0,0 +1,22 @@
+# Testing in Node.js by example using the SOLID principles
+
+read more about it on [cri.dev](https://cri.dev/posts/2020-05-20-Testing-in-Nodejs-by-example-using-the-SOLID-principles/)
+
+### requirements
+
+- node.js > 10
+- mongodb installation running locally
+
+## try it out
+
+install the dependencies
+
+```sh
+npm i
+```
+
+run the tests
+
+```sh
+npm t
+```

package.json

@@ -4,7 +4,7 @@
  "description": "",
  "main": "index.js",
  "scripts": {
- "test": "MONGO_URL=localhost:27017/test ava"
+ "test": "MONGO_URL=localhost:27017/test ava -s"
  },
  "keywords": [],
  "author": "",