Large scale refactor of monorepo.

Refactor the non-packages portion of the monorepo into ESM
Move internal packages to self-contained @internals/* packages, reference via pnpm monorepo support
Refactor package bundling to leverage verdaccio for a saner approach to package managemenet during tests
Expose local servers via tunnelmole to avoid issues with browserstack-local
Support index.min.js UMD exports for all models
Expose Upscaler CLI for managing monorepo scripts:
- build:upscaler
- build:models
- build:core
- scaffold:upscaler
- scaffold:models
- 5 test commands
- docs commands

thekevinscott / UpscalerJS