Create README.md
Update json-code-index/README.md
Create json-code-index-field-guide.md
Update json-code-index/json-code-index-field-guide.md

Added content based on the slice guide
Update json-code-index/json-code-index-field-guide.md

Removed broken link.
includes json-code-index format
Merge pull request #1 from dosse/patch-1

includes json-code-index format
Update json-code-index-field-guide.md

Added attributes
Update json-code-index-field-guide.md

Updated attributes
Update json-code-index-field-guide.md

Added attribute values to the ToC.
Update json-code-index-field-guide.md

Added description for attribute values and the attachment property.
Merge pull request #1 from h4mu/master

Technical documentation about the Code Index proposal.