Describe openAIApiKey in more detail. Fixes #318

[EdwinOtten]

Improve the experience when running azd up by providing more context on how to use the openAIApiKey parameter.

Purpose

When following the Deployment instructions and running azd up, the user gets prompted to enter a parameter without much context:

? Enter a value for the 'openAIApiKey' infrastructure parameter: [? for help]

In #318 FBoucher mentioned that the parameter is optional and can be left empty. Sadly the hint doesn't say that:

Hint: OpenAI API Key

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone https://github.com/EdwinOtten/azure-search-openai-demo-csharp.git
cd [local directory]
git checkout feature/azd-up-improve-experience

• Test the code
  • Follow the existing Getting Started guide.

What to Check

Verify that the following are valid:

• The hint for the openAIApiKey now says:
  • OpenAI API Key, leave empty to provision a new Azure OpenAI instance

[rashadh]

if no api key is available it will be provisioned, thanks for clarifying it