add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

1
2
# From https://download.gnome.org/sources/vala/0.34/vala-0.34.7.sha256sum
sha256 1b2cb14f377d4c41fa3a86d3d01b93017015ce91b6714a85f27346073b4034fa  vala-0.34.7.tar.xz