Update Security component documentation for v4

[TimHess]

also resolves #11 and resolves #52

[github-actions]

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[bart-vmware]

Nice, to the point, and well explained.

Overall looks good, I've provided feedback on minor details.

[bart-vmware]

Regarding certificates, do we need to mention it only works with https, if that's the case?
Should we note anything about using HTTP/2 and/or v3 (QUIC)?

[TimHess]

Regarding certificates, do we need to mention it only works with https, if that's the case? Should we note anything about using HTTP/2 and/or v3 (QUIC)?

The https restriction is Microsoft's, as is support for HTTP 2 and 3. Our sample still works if configured for http2-only or http3-only. While I don't expect Microsoft to remove the https restriction, since these items are not in our control (and CertificateAuthentication is a pre-requisite to Steeltoe's Authorization package), I did not think it was necessary mention them here.

[bart-vmware]

See feedback.