Update README.md

Author: danielfdsilva

README.md

@@ -1,4 +1,4 @@
-# project-seed
+# project-seed v6
 
 A basic starting point for web projects that uses parcel as a Build System.  
 This is the result of a [build system research](https://github.com/developmentseed/project-seed/issues/97) and [experimentation](https://github.com/danielfdsilva/parcel-gulp/).  
@@ -54,6 +54,14 @@ Our [ESLint rules](.eslintrc) are based on `eslint:recommended` rules, with some
 
     yarn lint
 
+## Tests
+
+Tests are setup using [Jest](https://jestjs.io/), and can be run with
+
+```
+yarn test
+```
+
 ## Coding style
 
 File [.editorconfig](.editorconfig) defines basic code styling rules, like indent sizes.