feat: update preinstalled skills and CLI scripts, enhance packaging process, and add configuration for Windows and macOS

scripts/configure-zx-shell.mjs

@@ -0,0 +1,7 @@
+import { usePowerShell } from 'zx';
+
+export function configureZxShellForPlatform() {
+  if (process.platform === 'win32') {
+    usePowerShell();
+  }
+}