some refactoring and modularizing locale

hosts/toothpc/modules.nix

@@ -1,5 +1,5 @@
 {
-  system = {
+  nixos = {
     boot = {
       loader = {
         default = {
@@ -91,7 +91,7 @@
         enable = true;
       };
     };
-    sysd = {
+    services = {
       network = {
         blueman = {
           enable = false;
@@ -164,6 +164,14 @@
         };
       };
     };
+    system = {
+      locale = {
+        enable = true;
+        timeZone = "Europe/Stockholm";
+        defaultLocale = "en_US.UTF-8";
+        extraLocale = "sv_SE.UTF-8";
+      };
+    };
     utils = {
       android = {
         enable = false;