Merge branch 'feature/upgrade-template' into 'master'

tests/codeception/bootstrap.sh

tests/codeception/tests/_data/db.sql

tests/codeception/tests/acceptance.suite.yml

tests/codeception/tests/acceptance/ActivationCest.php

tests/codeception/tests/acceptance/WooCommerceCest.php

tests/codeception/wpdesk.yml

tests/integration/bootstrap.php

tests/unit/ExampleTest.php

tests/unit/bootstrap.php

webpack.mix.js