release: v0.2.0 — Python package, workflow updates, README refresh

[bughht]

What's new in v0.2.0

🐍 Python Package (seqeyes-python)

• New Python package published on PyPI: pip install seqeyes-python
• Drop-in replacement for pypulseq.Sequence.plot() — call seqeyes.set() once, then seq.plot() renders interactively in Jupyter
• seqeyes.reset() restores matplotlib
• SeqEyesViewer for low-level usage without pypulseq
• Supports Python 3.9–3.12

⚡ GitHub Actions

• python-tests.yml — runs pytest across Python 3.9–3.12 on PRs and pushes
• publish.yml — automatically builds and publishes the Python package to PyPI on version tags via OIDC trusted publishing

📝 Documentation

• Both READMEs updated to reflect the actual set()/reset() API
• Python section added to the root README

🧹 Chores

• .vscode/ untracked and added to .gitignore
• Project version bumped to 0.2.0