refactor(clientsidescripts): use the testability api if available

Getting ready for version of Angular which will include the testability API.
refactor(clientsidescripts): enable getTestability for repeater stuff too.
chore(release): version bump and docs for v1.1.1
docs(locators): fixed spelling
docs(infrastructure): removed inline-code backticks

A four-spaced indent is already creating a <code> making markdown's inline-code backticks visible
feat(website): create website generators and modify documents
chore(website): update ignore files to ignore website dirs
chore(website): remove old docgen folder
chore(website): rename some tasks and make building an explicit action
chore(website): adding missing partial
chore(website): remove old generate-docs script