Updated to add another bdd Scenario

Updated to add another bdd Scenario

updated readme.md with command line example

removed pytest-xdist dependency to simplify

Tested on latest versions.

extended to show basic workflow management

documentation update

renamed tests.

move feature file, update readme and requirements.txt

simple pytest.bdd example

add requirements.txt

readme update

moved page file example to its own project

extended page file example with an additional page

extended page object example with an additional page