Add zsh module

And move script to alias

nixos/modules/shells/zsh/default.nix

@@ -0,0 +1,70 @@
+{ config, lib, pkgs, ... }:
+
+{
+    home = {
+        packages = with pkgs; [
+            font-awesome
+        ];
+
+        file = {
+            ".oh-my-zsh".source = ../../../../stow/zsh/.oh-my-zsh;
+        };
+    };
+
+    programs.zsh = {
+        enable = true;
+        enableSyntaxHighlighting = true;
+        history = {
+            expireDuplicatesFirst = true;
+            extended = true;
+        };
+        initExtra = ''
+            eval "$(direnv hook zsh)"
+        '';
+        oh-my-zsh = {
+            enable = true;
+            custom = "$HOME/.oh-my-zsh";
+            plugins = [
+                "dirhistory"
+                "git"
+                "screen"
+            ];
+            theme = "mrfortem";
+        };
+        plugins = [
+            {
+                name = "cmdtime";
+                src = pkgs.fetchFromGitHub {
+                    owner  = "tom-auger";
+                    repo   = "cmdtime";
+                    rev    = "ffc72641dcfa0ee6666ceb1dc712b61be30a1e8b";
+                    hash = "sha256-v6wCfNoPXDD3sS6yUYE6lre8Ir1yJcLGoAW3O8sUOCg=";
+                };
+            }
+        ];
+        shellAliases = {
+            cp    = "cp -i"; # Confirm before overwriting something
+            df    = "df -h";
+            free  = "free -m";
+            np    = "nano -w PKGBUILD";
+            more  = "less";
+            hgrep = "history | grep";
+
+            gs    = "git status";
+            
+            update = ''
+                pushd ~/projects/sisyphus/nixos
+                nix flake update
+                sudo nixos-rebuild switch --flake .# --show-trace
+                popd
+            '';
+            uu = "update-user";
+            update-user = ''
+                pushd ~/projects/sisyphus/nixos
+                nix build .#homeManagerConfigurations.tdpeuter.activationPackage
+                ./result/activate
+                popd
+            '';
+        };
+    };
+}