add custom api sdk#3

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zhaodongwang-msft wants to merge 3 commits intomainfrom

users/zhaodongwang/addCustomAction

Commits on Aug 25, 2025

api seems to be working. need to check tests a bit
Max Wang
committed

Commits on Aug 28, 2025

working version
Max Wang
committed
update to align the org url input as other quickstarts
Max Wang
committed