Consolidate README information

[Tacktician]

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Description

• Consolidated README informaton
• Provided deep links to documentation
• Created a TOC for nav puproses

Motivation and Context

• Remove duplicate information
• Single source important, detailed information.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[vrunoa]

@spider-sauce in regards to the docs do we want to show our examples with the long version name of the flag?

saucectl run -c ./path/to/config.yml

vs

saucectl run --config ./path/to/config.yml