Major structure update

[bdemann]

Implementing demergent-labs/cdk_framework#24 for Kybra

Global Principles

• Implement the new parsing strategy
  • Produce the ACT tree in the new way
    • Canister Methods
      • Heartbeat
      • Init
      • Inspect
      • Post
      • Pre
      • Query
      • Updates
    • Data Types
      • Funcs
      • Records
      • Tuples
      • Type Aliases
      • Variants
      • Arrays
      • Opts
      • Primitives
      • TypeRefs
    • External Canisters
    • Guard Functions
    • Stable B Tree Nodes
  • Delete old tree
    • Ensure everything is preserved in the new way
• Run tests and make note of issues
• Clean up
• Type Ref can't be a constant string #266
• Create a type alias type in for kybra (see also is_type_alias needs refinement #267)
• Make sure that the only quotes are in the generators file in kybra