add mumble and ninja build

prepare.sh

@@ -11,6 +11,9 @@ PKG+=" curl"
 PKG+=" crda"
 PKG+=" gpsd-clients"
 PKG+=" netcat"
+PKG+=" mumble"
+PKG+=" qtwayland5"
+PKG+=" ninja-build meson cmake libwayland-dev pkg-config"
 
 # TODO check if already inserted
 echo 'deb https://repo.pureos.net/pureos amber-phone-staging main' | sudo tee -a /etc/apt/sources.list