feat: add argument parsing and module resolution for assistant app

- Implemented argument parsing in args.ts to handle root, home, and help options.
- Added parseHomeArg and parseHelpArg functions for command line argument handling.
- Created ModuleResolver class in assistant-app-resolve.ts to resolve module paths, including scoped packages and relative paths.
- Introduced caching mechanism for package.json reads to improve performance.
- Added utility functions for checking file existence and clearing the cache.

assistant/src/module/npm-install.ts

@@ -33,4 +33,14 @@ export const installDeps = async (opts: InstallDepsOptions) => {
   } else {
     syncSpawn('npm', params, { cwd: appPath, stdio: 'inherit', env: process.env });
   }
+};
+
+export const execCommand = (command: string, options: { cwd?: string } = {}) => {
+  const { cwd } = options;
+  return spawnSync(command, {
+    stdio: 'inherit',
+    shell: true,
+    cwd: cwd,
+    env: process.env,
+  });
 };