Add awesim, document and release 20210805-1pureos2
Picked from upstream MR by @angus.ainslie : https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info/-/merge_requests/57
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Picked from upstream MR by @angus.ainslie : https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info/-/merge_requests/57