docs(reade.md): Align setup and usage instruction to work on Windows

[pajhiwo]

chore: add step with local virtual env creation and flatten last comand and in 6 so it is easy to copy on windows

[czerus]

Keep the commit subject (first line) close to 70 chars. current is too long. Also I am using in scope (currently) file (in this case README.md) or dir with changes e.g. pydriver

chore: add step with local virtual env creation and flatten last command in 6 so it is easy to copy on windows

so in this case I would change it to:

README.md: Align setup and usage instruction to work on Windows.

[czerus]

I believe that also place where then environment var is set needs to be updated to work on windows

[czerus]

Please change commit message and update setting env variables on windows

[czerus]

lets move to type/scope proposed here https://www.conventionalcommits.org/en/v1.0.0/ and here: https://github.com/angular/angular/blob/22b96b9/CONTRIBUTING.md#-commit-message-guidelines so

build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
docs: Documentation only changes
feat: A new feature
fix: A bug fix
perf: A code change that improves performance
refactor: A code change that neither fixes a bug nor adds a feature
style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
test: Adding missing tests or correcting existing tests

So for this commit lets use type docs