v0.5.3

Improvements

• Implement custom IPython auto completion (#121).
• Add custom ipython magics (#122).
• Add jump-to-cell widget and assign Ctrl+G to it (#123).
• Implement animation (#124).

Changes

• Add pyproject.toml and github workflow.

Bug Fixes

• Fix file explorer.
• Fix bugs in Qt6 (key sequences).
• Fix s runpy bug on startup.
• Fix close confirmation not being shown.
• Fix the traceback dialog when it encountered an exception with no argument.
• Fix the architecture of row/column spans.