better consistency, add dotfiles for takamaki and new features

flake.nix

@@ -20,11 +20,6 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    nh = {
-      url = "github:nix-community/nh";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     stylix = {
       url = "github:nix-community/stylix";
       inputs.nixpkgs.follows = "nixpkgs";