Fix README documentation URLs

[Mirch]

Description

Fixed the README links to the documentation.

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[chasefleming]

Thanks @Mirch !