Update readme with native auth content (#2080)

* Update with native auth capabilitues

* Update content

* Apply suggestions from code review

Co-authored-by: Brian Melton-Grace <[email protected]>

* apply PR review feedback

* Update cocoa pod instructions for native auth

* Apply suggestions from code review

Co-authored-by: Danilo Raspa <[email protected]>

* Update README.md

Co-authored-by: Danilo Raspa <[email protected]>

* Update installation guidance

* Minor updates

* fix typo

* Update README.md

Co-authored-by: Brian Melton-Grace <[email protected]>

* Update README.md

Co-authored-by: Danilo Raspa <[email protected]>

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Co-authored-by: Brian Melton-Grace <[email protected]>
Co-authored-by: Danilo Raspa <[email protected]>

Author: 3 people