Keep README minimum

README.md

@@ -8,17 +8,11 @@ Personal dotfiles that can be placed in the public repository
 
 Also known as [盆栽(bonsai)](https://en.wikipedia.org/wiki/Bonsai) 🌳
 
-## Development
-
-1. Install [Nix](https://nixos.org/) package manager
-1. Run `nix-shell`. (`nix-shell --command 'zsh'` and `direnv allow` may not work if you have not completed all the installation steps.)
-1. `makers setup`
-
 ## Installation
 
-1. Finishes [Development](#development) steps
-1. Install [nix-community/home-manager](https://github.com/nix-community/home-manager)
-1. `makers apply`
+1. Install [Nix](https://nixos.org/) package manager
+1. Install [home-manager](https://github.com/nix-community/home-manager)
+1. `nix-shell --command 'makers apply'`
 
 ## I don't know ??? - I have just installed OS, I am 🚼