Backport of NET-1825: New ACL token creation docs into release/1.16.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #16465 to be assessed for backporting due to the inclusion of the label backport/1.16.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
you will see a blank no-op commit below. If at least one commit succeeded, you
will see the cherry-picked commits up to, not including, the commit where
the merge conflict occurred.

The person who merged in the original PR is:
@pglass
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: unable to process merge commit: "f64054420a855653e8023b0fea574b71b2e4ae42", automatic backport requires rebase workflow

The below text is copied from the body of the original PR.

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Description

These are new ACL token creation docs, to provide specific steps to easily get a token for common use cases.

• Page for service token
• Page for agent token
• Page for UI token
• Page for mesh gateway token
• Page for ingress gateway token
• Page for terminating gateway token

Coming in a subsequent PR:

• Page for DNS token
• Page for snapshot agent
• Page for ACL replication token
• Page for Vault with Consul storage backend
• Page for Consul ESM

PR Checklist

• updated test coverage
• external facing docs updated
• not a security concern

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Overview of commits

• 71269da - 953fec0 - 06da2af - d4d6ab8 - fad7f57 - e961d91 - 7e7acea - f640544 - 582a1ce - ee1cacf - 4641a38 - ed96efa

[github-team-consul-core-pr-approver]

Auto approved Consul Bot automated PR