Added content to user-docs.
Added content to user-docs.

An initial description of the launcher responsibilities
when integrating with SC.

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