feat: introduce treefmt and fmt all

nix/os/devices/vmd102066.contaboserver.net/system.nix

@@ -4,10 +4,12 @@
   config,
   nodeName,
   ...
-}: let
+}:
+let
   keys = import ../../../variables/keys.nix;
   passwords = import ../../../variables/passwords.crypt.nix;
-in {
+in
+{
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [
     # iperf3
@@ -37,7 +39,7 @@ in {
 
   networking.nat = {
     enable = true;
-    internalInterfaces = ["ve-+"];
+    internalInterfaces = [ "ve-+" ];
     externalInterface = "eth0";
   };
 
@@ -45,7 +47,9 @@ in {
   # services.kubernetes.roles = ["master" "node"];
 
   # virtualization
-  virtualisation = {docker.enable = true;};
+  virtualisation = {
+    docker.enable = true;
+  };
 
   services.spice-vdagentd.enable = true;
   services.qemuGuest.enable = true;
@@ -53,7 +57,7 @@ in {
   systemd.services."sshd-status" = {
     enable = true;
     description = "sshd-status service";
-    path = [pkgs.systemd];
+    path = [ pkgs.systemd ];
     script = ''
       systemctl status sshd | grep -i tasks
     '';
@@ -73,11 +77,13 @@ in {
   #   };
   # };
 
-  nix.gc = {automatic = true;};
+  nix.gc = {
+    automatic = true;
+  };
 
   boot.initrd.network = {
     enable = true;
-    udhcpc.extraArgs = ["-x hostname:${config.networking.hostName}"];
+    udhcpc.extraArgs = [ "-x hostname:${config.networking.hostName}" ];
 
     ssh = {
       enable = true;
@@ -104,7 +110,12 @@ in {
       inherit config;
       hostAddress = "192.168.100.16";
       localAddress = "192.168.100.17";
-      subvolumes = ["mailserver" "webserver" "backup" "syncthing"];
+      subvolumes = [
+        "mailserver"
+        "webserver"
+        "backup"
+        "syncthing"
+      ];
     };
 
     bkpTarget = import ../../containers/backup-target.nix {