added nix shell init script

packages.nix

@@ -32,6 +32,8 @@
         (builtins.readFile ./scripts/ssh-fix-permissions.sh))
       (pkgs.writeShellScriptBin "yt-dlp-audio"
         (builtins.readFile ./scripts/yt-dlp-audio.sh))
+      (pkgs.writeShellScriptBin "nix-shell-init"
+        (builtins.readFile ./scripts/nix-shell-init.sh))
       (callPackage pkgs/docker-craft-cms-dev-env.nix { inherit lib; })
     ];
 }

scripts/nix-shell-init.sh

@@ -0,0 +1,21 @@
+#/usr/bin/env bash
+
+nixshell=$(cat << EOF
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+    nativeBuildInputs = with pkgs; [  ];
+    shellHook = ''
+    
+    '';
+}
+EOF
+)
+
+envrc=$(cat << EOF
+use nix
+EOF
+)
+
+echo $nixshell > shell.nix
+echo $envrc > .envrc