- Dedicated Database: Add MariaDB ports

- Songsheet: Update the compose comments, as the database uses the dedicated database
- General: Re-added Librewolf onto the module.

nix-system-configs/modules/secrets/secrets.example.nix

@@ -5,6 +5,7 @@
   ...
 }: {
   # TODO Figure out a better way to manage secrets.
+  # CHECK OUT https://github.com/ryantm/agenix
   local.secrets = {
     gitUserName = "Your Name";
     gitUserEmail = "you@example.com";