Need details on authentication for signtool

[ihaveajob]

In the signtool section, there's no mention of how to authenticate. I found someone's blog post where they explain it. Without that blog, I would have been lost. It would be good to incorporate these points into the document.

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Document Details

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• ID: 452e373f-5b92-84ea-a6b1-36c2f91c33ef
• Version Independent ID: 1cad7fff-8aa9-410f-745a-363ca0fc97cf
• Content: Set up signing integrations to use Trusted Signing
• Content Source: articles/trusted-signing/how-to-signing-integrations.md
• Service: trusted-signing
• GitHub Login: @microsoftshawarma
• Microsoft Alias: rakiasegev

[PesalaPavan]

@ihaveajob Thanks for your feedback! I've assigned this issue to the author who will investigate and update as appropriate.