Haowei Hsu a52bef20ed docs: switch docs to shibuya theme and install via venv ...

- change documentation theme from `alabaster` to `shibuya`
- add pinned Documentation requirements for `sphinx` and `shibuya`
- update workflows to create `.venv` and install with `requirements.txt`
- ignore common virtual environment directories (`.conda` and `.venv`)

2026-05-11 20:48:58 +08:00

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workflows

docs: switch docs to shibuya theme and install via venv

2026-05-11 20:48:58 +08:00