[project tracking] v2 Schema work to do

[jsuereth]

Baseline integration

• Create V2 schema for defining models.
• V2 Schema for resolve ([WIP] V2 Resolved Schema #980)
• V2 Schema for generate
  • V2 Schema in Jinja Templates ([WIP] V2 Resolved Schema #980)
  • V2 Schema in rego policies
• V2 Schema for check
• V2 Schema for update-markdown
• V2 Schema for live-check
• V2 Schema for json_schema
• V2 Schema for emit
• V2 Schema for search
• V2 Schema for diff
• Documentation

Features

• [v2 schema] Decide what public Attribute Groups are and how they work in the weaver model. #989
• Decide on Namespacing / what belongs in manifest