**How to run tests**
-**Unit tests**
+**Unit tests and Coverage**
```bash
npm run test
+ npm run coverage
```
**How to check if your new code is standard style**
```bash
npm run format && npm run lint:fix
```
+
+### Project pillars
+
+Please consider our pillars before to start change the project
+
+- Performance :racehorse:
+- Security :bank: :cop:
+- No runtime dependencies :white_check_mark: (until now we don't have any exception to that)
+- Easy to use :couple:
+- Code quality :octocat: