Revert "Create lindor-D2邀请函申请.md"

This reverts commit 6a298b90d76b61d8c5ab79d882fb21f970439c08.
Revert "Revert "Create lindor-D2邀请函申请.md""

This reverts commit 776720f906bbb05bbf43999836c868458c0d5b84.