Add basic packages and configured zsh and nvim

zsh/zsh.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }: {
+
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    enableAutosuggestions = true;
+    defaultKeymap = "viins";
+    history.extended = true;
+    initExtra = ''
+      ${builtins.readFile ./zshrc}
+    '';
+    sessionVariables = rec {
+      EDITOR = "nvim";
+    };
+    plugins = [
+      {
+        name = "zsh-autosuggestions";
+        src = pkgs.fetchFromGitHub {
+          owner = "zsh-users";
+          repo = "zsh-autosuggestions";
+          rev = "v0.6.3";
+          sha256 = "1h8h2mz9wpjpymgl2p7pc146c1jgb3dggpvzwm9ln3in336wl95c";
+        };
+      }
+    ];
+  };
+
+}