updated pdf creator and overall theme

modules/modules.nix

@@ -9,10 +9,12 @@
     ./core/njalla.nix
     ./core/ssh-bootstrap.nix
     ./core/sovran-manage-domains.nix
+    ./core/sovran_systemsos-desktop.nix
 
     # ── Always on (no flag) ───────────────────────────────────
     ./php.nix
     ./Sovran_SystemsOS_File_Fixes_And_New_Services.nix
+    ./credentials-pdf.nix
 
     # ── Services (default ON — disable in custom.nix) ─────────
     ./synapse.nix