refactor: reorganize Nix configuration and reintroduce Waydroid service

- Update Nix configuration files to improve structure and readability
- Reintroduce Waydroid service configuration in common/default.nix
- Adjust formatting for consistency across home-manager and host configurations

hosts/Nixstation/default.nix

@@ -1,5 +1,6 @@
-{ pkgs
-, ...
+{
+  pkgs,
+  ...
 }:
 {
   imports = [
@@ -41,7 +42,7 @@
     LC_TIME = "pt_BR.UTF-8";
   };
 
-    networking = {
+  networking = {
     hostName = "Nixstation";
     firewall = {
       allowedTCPPorts = [
@@ -142,18 +143,6 @@
       };
     };
 
-    waydroid-config = {
-      description = "Configure Waydroid Properties";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "waydroid-container.service" ];
-      serviceConfig = {
-        Type = "oneshot";
-        ExecStart = pkgs.writeShellScript "waydroid-config" ''
-          echo "ro.hardware.gralloc=default" >> /var/lib/waydroid/waydroid_base.prop
-          echo "ro.hardware.egl=swiftshader" >> /var/lib/waydroid/waydroid_base.prop
-        '';
-      };
-    };
   };
   system.stateVersion = "25.11"; # keep it!
   time.timeZone = "America/Sao_Paulo";