E2E testing on major browsers

[liunate]

Run E2E testing at each push and pull-request on major browsers:

• Chrome
  cypress supported

• Firefox (done with upgrade e2e and enable firefox #206)
  cypress supported
  Having problem running on git action with error msg Browser: 'firefox' was not found on your system or is not supported by Cypress, see cypress image open issue

• Edge(chromium-based)
  cypress supported

• Edge(EdgeHTML/pre-chromium/IE11?)
  Not supported by cypress at this moment. See cypress IE 11 support github issue

• Safari
  Not supported by cypress at this moment. See cypress macOS Safari support github issue

[stefcameron]

#130 adds official FireFox support to Cypress and may help here.