C7-Digital/c7_ledger: ledger/README.md

# @c7-digital/ledger OpenAPI v2 compatible Daml ledger client (that could replace `@daml/ledger`) for the new Canton JSON API v2. ## Overview This package provides a TypeScript client for interacting with Canton's JSON Ledger API v2, which replaces the deprecated v1 API that `@daml/ledger` targets.