Update doc/README.md to host documentation server
Update doc/README.md to host documentation server

kamalmarhubi/capnproto,johnkdoe/capnproto,Fraser999/capnproto,bsn069/capnproto,joliss/capnproto,vladon/capnproto,zarvox/capnproto,ligzy/capnproto,johnkdoe/capnproto,ocdtrekkie/capnproto,maurer/capnproto,pjulien/capnproto,geofft/capnproto,bsn069/capnproto,MarPiRK/capnproto,martindale/capnproto,pjulien/capnproto,modulexcite/capnproto,maurer/capnproto,khklau/capnproto,mologie/capnproto,bryce-gibson/capnproto,bryce-gibson/capnproto,bryce-gibson/capnproto,martindale/capnproto,mrdomino/capnproto,nagyistoce/capnproto,jparyani/capnproto,ligzy/capnproto,rcrowder/capnproto,mrdomino/capnproto,jparyani/capnproto,ligzy/capnproto,kamalmarhubi/capnproto,ocdtrekkie/capnproto,hntrmrrs/capnproto,ocdtrekkie/capnproto,rcrowder/capnproto,geofft/capnproto,vladon/capnproto,kamalmarhubi/capnproto,Fraser999/capnproto,rcrowder/capnproto,vladon/capnproto,zarvox/capnproto,jparyani/capnproto,MarPiRK/capnproto,hntrmrrs/capnproto,joliss/capnproto,Fraser999/capnproto,khklau/capnproto,zarvox/capnproto,modulexcite/capnproto,a-richardson/capnproto,martindale/capnproto,khklau/capnproto,mologie/capnproto,maurer/capnproto,johnkdoe/capnproto,mrdomino/capnproto,mologie/capnproto,pjulien/capnproto,geofft/capnproto,a-richardson/capnproto,nagyistoce/capnproto,MarPiRK/capnproto,nagyistoce/capnproto,joliss/capnproto,bsn069/capnproto,hntrmrrs/capnproto,modulexcite/capnproto,a-richardson/capnproto