0.2.3: Update readme yaml file and rebuild md

what

• updated README.yaml file
• add tags and categories
• rebuild README.md file

why

• need to add categories and tags so we can pull them into the documentation

Regenerate README.md

what

• Regenerate README.md

why

• Previous version of build-harness has some typos

Migrate to README.yaml format

what

• Add README.yaml

why

• Standardize README