Toggle > v1

[sarah-richards-stormid]

• Update docs: they suggest the default the focus option is 'false', but it's actually 'true' done

• sweep of codebase to elimate dead code, run linting, fix any non-breaking niggles or annoyances

• sweep of docs

• clean-up example

• sweep of tests

• update store to standardise

• publish src folder to npm