hosts/main: enable mariadb

Yes, I read all changes that it would do
using nix-diff

hosts/main/default.nix

@@ -81,12 +81,18 @@
       package = pkgs.unstable.ollama;
       host = "0.0.0.0";
     };
+
+    services.mysql = {
+      enable = true;
+      package = pkgs.mariadb;
+    };
+
     environment.sessionVariables = {
       OLLAMA_HOST = "127.0.0.1:${builtins.toString config.services.ollama.port}";
     };
 
     nixpkgs.hostPlatform = "x86_64-linux";
 
-    system.stateVersion = "23.05";
+    system.stateVersion = "24.11";
   };
 }

hosts/tablet.nix

@@ -54,7 +54,7 @@
 
     nixpkgs.hostPlatform = "x86_64-linux";
 
-    system.stateVersion = "23.11";
+    system.stateVersion = "24.11";
   };
 }