docs(angular) : add cd instruction to move inside workspace directory (…

…nrwl#28135)

`npx nx serve angular-store` this would not work if the user does not
move to the directory first.

<!-- Please make sure you have read the submission guidelines before
posting an PR -->
<!--
https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr
-->

<!-- Please make sure that your commit message follows our format -->
<!-- Example: `fix(nx): must begin with lowercase` -->

<!-- If this is a particularly complex change or feature addition, you
can request a dedicated Nx release for this pull request branch. Mention
someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they
will confirm if the PR warrants its own release for testing purposes,
and generate it for you if appropriate. -->

## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes #

Co-authored-by: Isaac Mann <[email protected]>

docs/shared/tutorials/angular-monorepo.md

@@ -118,6 +118,7 @@ The [`nx.json` file](/reference/nx-json) contains configuration settings for Nx
 To serve your new Angular application, just run:
 
 ```shell
+cd angular-monorepo
 npx nx serve angular-store
 ```