Improve documentation

[willfarrell]

• full audit and edit of docs
• All sub-heading should be link to anchor tags for themselves
• Audit and update options
• Audit examples and add descriptions
• create migration guides from popular libraries
• Add SRI to external resources

Future

• clean up sidebar image
• demo
  • include parse and format webworker
  • have demo where csv text or json text can be passed in and display result