Add servicebus-dotnet-functionapp template

[Gordonby]

Please fill out this template! There are three different types of contributions, feel free to delete the checklists that are not applicable to your contribution type.

If you are submitting a new azd template to the gallery

Fill this out if you want your template to be added to the awesome-azd gallery!

• Added an entry to https://github.com/Azure/awesome-azd/blob/main/website/src/data/users.tsx that includes:
  • Template title - A short title that reflects the local application stack that someone could use to get their application on Azure (e.g. "Containerized React Web App with Java API and MongoDB")
  • Description - 1-2 sentence description of the architecture (e.g. Azure services) or solution that is defined by the template.
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Closes #122

[hemarina]

@v-xuto Would you test this template when you get a chance?
@jongio Would you take a review on this template?

[v-xuto]

@v-xuto Would you test this template when you get a chance?

Sure. We will start testing this template today.

[v-xuto]

@hemarina We have completed the testing of this template without any issues.

[jongio]

LGTM

[hemarina]

LGTM