Denend/x402-canton-core: README.md

# canton-x402-core Core libraries for the Canton x402 stack: the shared protocol types and the Canton ledger primitives that the merchant middleware and the payer client build on. ## Packages | Package | npm | Purpose | | --- | --- | --- | | `@ftptech/x402-canton-core` | [npm](https://www.npmjs.com/