Move Cypress POs & commands in a NPM package

[torchiaf]

Is your feature request related to a problem? Please describe.

We want to re-use the Cypress tests suite in other code bases (Rancher extensions).

Describe the solution you'd like

Publish a @rancher/cypress-tests npm library so that it can be imported in other projects

Describe alternatives you've considered

Additional context

[torchiaf]

cc @richard-cox @rak-phillip

[richard-cox]

Would the requirement be to re-used page objects to create new cypress tests in extensions, plus run the actual spec files from those extensions?