chore(docs): doc and readme updates

[sliedig]

Please provide the issue number

Issue number:
#285

Summary

Updates to docs and readme addressing dotnet cli corrections, updates to idempotency location, link updates to new organisation.

Changes

Please provide a summary of what's being changed

User experience

Please share what the user experience looks like before and after this change

Checklist

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• Meets tenets criteria
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented
• PR title follows conventional commit semantics

Is this a breaking change?

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

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[hjgraca]

Delete CODEOWNERS and url changes

[hjgraca]

Pushed changes to @sliedig branch