add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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# md5 from https://pypi.python.org/pypi/urwid/json, sha256 locally computed
md5    2e1a005cb31368fe21bfeba2d6ad5a5c  urwid-1.3.1.tar.gz
sha256    cfcec03e36de25a1073e2e35c2c7b0cc6969b85745715c3a025a31d9786896a1  urwid-1.3.1.tar.gz