Better error catching and typing in API code
Very enhancements made to example.py demonstrating all current API calls and possibilities this package can offer
Provided more sample data and upload demonstration
Health report example
Merged track gear usage example with example.py
Several development environment enhancements

Summary by CodeRabbit

• New Features

  • GraphQL query support, workout upload, and a streamlined runnable example + demo enhancements.

• Bug Fixes

  • Hardened login/token handling, improved error translation and input validation.

• Documentation

  • Major README overhaul with examples, testing, publishing, interactive demo and API coverage stats.

• Style

  • EditorConfig, pre-commit hooks (Black, Ruff, Mypy) and broad typing/formatting updates.

• Tests

  • Added GPX/JSON fixtures, refreshed cassettes, stronger sanitization and more resilient tests.

• Chores

  • CI trimmed, version/license bumped, packaging/tooling updates, removed legacy Makefile and deprecated example.