Seperated all config stuff into common nixos modules

modules/nixos/shell.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }:
+{
+  programs.direnv.enable = true;
+  users.users.chris.shell = pkgs.zsh;
+
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    autosuggestions.enable = true;
+    syntaxHighlighting.enable = true;
+    interactiveShellInit = "fastfetch";
+    shellAliases = {
+      ll = "ls -l";
+      calc = "kalker";
+      n = "nvim .";
+    };
+    histSize = 10000;
+    histFile = "$HOME/.zsh_history";
+    setOptions = [ "HIST_IGNORE_ALL_DUPS" ];
+    oh-my-zsh = {
+      enable = true;
+      theme = "clean";
+      plugins = [ "git" "sudo" "direnv" ];
+    };
+  };
+
+  environment.systemPackages = [ pkgs.kalker ];
+}