readme.md: add deployment section, rm mingw notes
readme.md: add deployment section, rm mingw notes

shlomif/rhizi,ozFri/rhizi,yuvadm/rhizi,cben/rhizi,Rhizi/rhizi,Rhizi/rhizi,shlomif/rhizi,tlevine/rhizi,yuvadm/rhizi,shlomif/rhizi,tlevine/rhizi,yuvadm/rhizi,shlomif/rhizi,ozFri/rhizi,tlevine/rhizi,yuvadm/rhizi,tlevine/rhizi,ozFri/rhizi,Rhizi/rhizi,cben/rhizi,Rhizi/rhizi,cben/rhizi,cben/rhizi,ozFri/rhizi