[Sample Onboard Request] Containerized Hello World Tab with Backend

[hund030]

Owner: @hund030

ID: hello-world-tab-docker

Title: Containerized Hello World Tab with Backend

Description: A containerized Hello World app of Microsoft Teams Tab app which has a backend service.

Tags: TS Tab React Graph Toolkit Docker Single Sign On

Time: 5mins to run

Configuration: Ready for local debug

Thumbnail: https://github.com/OfficeDev/TeamsFx-Samples/blob/29099060655b8cca0cb4466bd1330243522b15b0/hello-world-tab-docker/assets/thumbnail.png

(Optional) Demo GIF: https://github.com/OfficeDev/TeamsFx-Samples/blob/29099060655b8cca0cb4466bd1330243522b15b0/hello-world-tab-docker/assets/sampleDemo.gif

(Source code in this Repo) Source Code PR: https://github.com/OfficeDev/TeamsFx-Samples/pull/1167

(Optional) Minimum Teams Toolkit Version: V5.0.0

(Optional) Maximum Teams Toolkit Version: N/A

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[summzhan]

Reviewed README， please go ahead with testing.

[summzhan]

@hund030 , did this sample pass test?

[hund030]

@summzhan Not yet. Testers are too busy for prerelease.

[tecton]

@hund030 @summzhan This sample has been onboarded.