stoony/home-assistant-blueprints: Various blueprints for my HA installation

sklonowany z joachimmg/home-assistant-blueprints

Joachim M. Giæver 5bb772d4d0 Fix error		2 lat temu
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homeassistant	9b15477903 Init commit	2 lat temu
create_device_class_groups.yaml	14975a50bf Added notify_user (in real, not just a failed bp). A blueprint that accept actionable concurrent notifcation. Delete some stuff and small changes.	2 lat temu
notify_user.yaml	5bb772d4d0 Fix error	2 lat temu