fix: remove ts-ignore, use Cypress 4.9.0

fix: Screenshot.defaults usage (cypress-io#425)

feat: release new minor version

feat: add examples for sinon.match (cypress-io#385)

* upgrade to Cypress v4.2.0

* start adding examples for sinon.match

* pass TS linter

* add more matcher examples

* copy tests to html

* add jsdocs

* list Cypress binaries on AppVeyor

* invalidate AppVeyor cache based on package.json file

* appveyor yml syntax

fix: push jsdoc for plugins change

feat: add select assertions (cypress-io#349)

fix: add rightclick to main index page (cypress-io#313)

add semantic release badge so Jennifer remembers

fix: typo in a comment

feat: add example how spy retries following assertions (cypress-io#204)