Update schema.org for makecode.com
Update schema.org for makecode.com

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