Add systemd for real

Author: TriangularDev

builder/Dockerfile

@@ -20,6 +20,7 @@ WORKDIR /TriOs
 
 # Default command: configure and build TriOS ISO, then copy to output
 CMD lb config --system live && \
+    lb config --init=systemd && \
     lb config --bootappend-live "boot=live components union=overlay nopersistence" && \
     lb config --architecture amd64 && \
     lb config --debian-installer live && \