Align cancel, void and capture with upstream /v1 API documentation, remove /v2
Added missing v1 OpenAPI definitions for Authorizations, Payments, Users, and Messages endpoints.
Introduced automatic versioning — a pre-commit hook now bumps the patch version and updates the timestamp badge on the home page with every commit.
Expanded H5 Mini App documentation: updated overview, fixed broken links, and aligned JSAPI compatibility list with the latest Alipay remote.
Initial documentation release covering Payment Integration, Mini App Development, JSAPI Reference, OpenAPI Reference, and an interactive Playground.