fix pre-commit config and run formatter

.envrc

@@ -1 +1,2 @@
 use flake
+pre-commit install

.pre-commit-config.yaml

@@ -14,7 +14,6 @@ repos:
     hooks:
       - id: run-format
         name: run-format
-        language: syste
+        language: system
         types: [ text ]
         entry: "nix fmt"
-

modules/base_system.nix

@@ -23,7 +23,7 @@
     "virtio_blk"
   ];
   boot.initrd.kernelModules = [ ];
-  
+
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
   boot.loader.grub = {
@@ -58,7 +58,10 @@
                 type = "filesystem";
                 format = "ext4";
                 mountpoint = "/";
-                mountOptions = [ "defaults" "noatime" ];
+                mountOptions = [
+                  "defaults"
+                  "noatime"
+                ];
               };
             };
           };

systems/default.nix

@@ -1,7 +1,7 @@
 { flake }:
 let
   nixpkgs = flake.inputs.nixpkgs;
-  
+
   # utility function to create a new nixos configuration
   # call like `mkSystem "x86_64-linux" "<hostname>.eh22.intern"`
   mkSystem =

systems/installer.nix

@@ -1,4 +1,3 @@
-
 {
   config,
   modulesPath,