Azure-devops-docs: Step 1 - Typo in command

[p2well]

Inside step 1 there is a typo inside command, which valides version of Azure CLI.
The correct command is az --version and not az -version

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Document Details

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• ID: 417acc67-23c3-779f-ce2e-cb7c62d4a59e
• Version Independent ID: b0dd8833-425d-c8ca-3626-ce53b3ca2908
• Content: Start using Azure DevOps command line interface extension - Azure DevOps
• Content Source: docs/cli/get-started.md
• Product: devops
• Technology: devops-ref
• GitHub Login: @KathrynEE
• Microsoft Alias: geverghe

[KathrynEE]

@p2well - Thank you for the correction. I will update the topic today.
@geverghe - FYI.

[geverghe]

Thank you @p2well for the correction. (y)