Update tdteam.md
Update tdteam.md
switchinnovations/pxt,playi/pxt,Microsoft/pxt,switchinnovations/pxt,switchinnovations/pxt,switch-education/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,playi/pxt,playi/pxt,switch-education/pxt,playi/pxt,switch-education/pxt