Updated Readme instructions

[JFolberth]

Updated README for azd up command

Purpose

Adding details around azd usage

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

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

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

[jfomhover]

you shouldn't need to add the project name to this command, as azd up should already take the existing project name from your local files?

[jfomhover]

Also, deployment should be required before the azd ai agent init, I'm curious what issues you're facing with the sequence already laid out in the README

[jfomhover]

if you're facing issues using the azd ai agent extension, causing you to create this PR, could you file an issue in https://github.com/Azure/azure-dev/issues ?