add JF's proposal-realms repo as a submodule for now
ADD
.gitmodules
+[submodule "proposal-realms"]
+ path = proposal-realms
+ url = https://github.com/jfparadis/proposal-realms.git

ADD
proposal-realms
+Subproject commit f3a65682812fd10083a906b92e1a619fd299faac

add JF's proposal-realms repo as a submodule for now