Refactor codebase to use nix modules

hmModules/apps/shells/zsh/default.nix

@@ -0,0 +1,47 @@
+{ config, pkgs, lib, ... }:
+
+{
+  options.zsh = {
+    enable = lib.mkEnableOption "Enable zsh";
+  };
+
+  config = lib.mkIf config.zsh.enable {
+    programs.zsh = {
+      enable = true;
+      enableCompletion = true;
+      autosuggestion.enable = true;
+      syntaxHighlighting.enable = true;
+      dotDir = ".config/zsh";
+
+      history.save = 10000;
+      history.size = 10000;
+      history.path = "${config.xdg.dataHome}/zsh/history";
+      initExtra = let
+        lf = lib.optionalString config.lf.enable ''
+          # Lf change directory command
+          lfcd () {
+            cd "$(command lf -print-last-dir "$@")"
+          }
+          bindkey -s '^o' 'lfcd\n'
+        '';
+
+      in lf + ''
+        # Nix-shell
+        ${pkgs.nix-your-shell}/bin/nix-your-shell zsh | source /dev/stdin
+
+        # Prompt
+        autoload -U colors && colors
+        autoload -Uz vcs_info
+        precmd_vcs_info() { vcs_info }
+        precmd_functions+=( precmd_vcs_info )
+        setopt prompt_subst
+        zstyle ':vcs_info:*' check-for-changes true
+        zstyle ':vcs_info:*' unstagedstr '·*'
+        zstyle ':vcs_info:*' stagedstr '·+'
+        zstyle ':vcs_info:git:*' formats '%b%u%c'
+        export PROMPT="%(0?.%F{white}.%? %F{red})τ%f "
+        export RPROMPT="%F{yellow}\$vcs_info_msg_0_%f %F{blue}%~%f"
+      '';
+    };
+  };
+}