doc/design.md: add context info
doc/design.md: add context info

tobsan/softwarecontainer,DunderRoffe/softwarecontainer,Pelagicore/softwarecontainer,thenor/softwarecontainer,frznlogic/softwarecontainer,kursatkobya/softwarecontainer,tobsan/softwarecontainer,Pelagicore/softwarecontainer,thenor/softwarecontainer,frznlogic/softwarecontainer,tobsan/softwarecontainer,kursatkobya/softwarecontainer,frznlogic/softwarecontainer,kursatkobya/softwarecontainer,frznlogic/softwarecontainer,thenor/softwarecontainer,tobsan/softwarecontainer,thenor/softwarecontainer,Pelagicore/softwarecontainer,kursatkobya/softwarecontainer,DunderRoffe/softwarecontainer,Pelagicore/softwarecontainer,DunderRoffe/softwarecontainer,DunderRoffe/softwarecontainer