style: format with nix fmt

Currently uses `nixpkgs-fmt`

modules/home-manager/darwin-trampolines/default.nix

@@ -8,9 +8,11 @@
 
   config = {
     home.activation = lib.mkIf pkgs.stdenv.isDarwin {
-      trampolineApps = let
+      trampolineApps =
+        let
           mac-app-util = inputs.mac-app-util.packages.${pkgs.stdenv.system}.default;
-      in lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+        in
+        lib.hm.dag.entryAfter [ "writeBoundary" ] ''
           fromDir="$HOME/Applications/Home Manager Apps"
           toDir="$HOME/Applications/Home Manager Trampolines"
           ${mac-app-util}/bin/mac-app-util sync-trampolines "$fromDir" "$toDir"

modules/home-manager/reo101-shell/default.nix

@@ -11,7 +11,8 @@ let
   shellAliases = {
     cp = "${pkgs.advcpmv}/bin/advcp -rvi";
     mv = "${pkgs.advcpmv}/bin/advmv -vi";
-    rebuild = let
+    rebuild =
+      let
         rebuild_script = pkgs.writeShellScript "rebuild" ''
           ${
             let

modules/nixos/mindustry/default.nix

@@ -65,7 +65,8 @@ in
     };
   };
 
-  config = mkIf cfg.enable ( let
+  config = mkIf cfg.enable (
+    let
       # mindustryJar = builtins.fetchurl {
       #   url = cfg.jarUrl;
       #   sha256 = cfg.jarSha256;