[tma2] [Ongoing] Continue implementing modules for tma2. (#1388)

* cs: add stub sysmodule to host command shell server

* cs: implement logic for main (linker error paradise, for now)

* cs: implement more of the system module's skeleton

* htcs: update client type names for libnx pr merge

libraries/libstratosphere/source/boot2/boot2_api.cpp

@@ -397,6 +397,7 @@ namespace ams::boot2 {
         /* Device whether to launch tma or htc. */
         if (svc::IsKernelMesosphere() && IsHtcEnabled()) {
             LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Htc, ncm::StorageId::None), 0);
+            LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Cs,  ncm::StorageId::None), 0);
         } else {
             LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Tma, ncm::StorageId::BuiltInSystem), 0);
         }