bitdynamics-ab/canton-devkit: docs/design/mockups/README.md

Design mockups React/JSX prototypes of every dpm localnet … CLI command and the M2 Web UI. Open index.html in a browser to render — it's a self-contained design-canvas with a Figma-like pan/zoom viewer. These files are acceptance specs, not shipping code: CLI mockups (screens-*.jsx, terminal.jsx)…