Basou v0.71.1

What's Changed

• docs: Describe the shapes of basou board (board.yaml, the record's input, records and the measurement) by @takashi-matsuyama in #370
• basou: Release v0.71.1 (a reference for the shapes of basou board) by @takashi-matsuyama in #371

Full Changelog: v0.71.0...v0.71.1