Update README with demo website certificate notice#4055

Merged

dvoituron merged 2 commits intomicrosoft:devfrom

AClerbois:dev-aclerbois-add-information-message

Aug 5, 2025

Commits on Aug 5, 2025

[Docs] Update README with notice about demo website certificate renewal issues
AClerbois
committed
[Docs] Update backup site URL to use HTTPS in README
AClerbois
committed