feat: introduce treefmt and fmt all

nix/os/devices/hstk0/flake.nix

@@ -16,38 +16,37 @@
 
   # outputs = _: {};
 
-  outputs = {
-    self,
-    get-flake,
-    nixpkgs,
-    ...
-  } @ attrs: let
-    system = "x86_64-linux";
-    nodeName = "hostkey-0";
+  outputs =
+    {
+      self,
+      get-flake,
+      nixpkgs,
+      ...
+    }@attrs:
+    let
+      system = "x86_64-linux";
+      nodeName = "hostkey-0";
 
-    mkNixosConfiguration = {extraModules ? [], ...} @ attrs:
-      nixpkgs.lib.nixosSystem (
-        nixpkgs.lib.attrsets.recursiveUpdate
-        attrs
+      mkNixosConfiguration =
         {
-          specialArgs = {
-            nodeFlake = self;
-            repoFlake = get-flake ../../../..;
-            inherit nodeName;
-          };
+          extraModules ? [ ],
+          ...
+        }@attrs:
+        nixpkgs.lib.nixosSystem (
+          nixpkgs.lib.attrsets.recursiveUpdate attrs {
+            specialArgs = {
+              nodeFlake = self;
+              repoFlake = get-flake ../../../..;
+              inherit nodeName;
+            };
 
-          modules =
-            [
-              ./configuration.nix
-            ]
-            ++ extraModules;
-        }
-      );
-  in {
-    nixosConfigurations = {
-      native = mkNixosConfiguration {
-        inherit system;
+            modules = [ ./configuration.nix ] ++ extraModules;
+          }
+        );
+    in
+    {
+      nixosConfigurations = {
+        native = mkNixosConfiguration { inherit system; };
       };
     };
-  };
 }