Added a secret way to navigate to /beta (#2441)
Added a secret way to navigate to /beta (#2441)

* Added a secret way to navigate to /beta

* Fix regex

playi/pxt,Microsoft/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,switch-education/pxt,switch-education/pxt,switchinnovations/pxt,switchinnovations/pxt,playi/pxt,switchinnovations/pxt,switchinnovations/pxt,playi/pxt,switch-education/pxt