fix: add warning-filtering DocGen launcher

Author: fajarnugraha37

global-template/docgen/bin/docgen-launcher.mjs

@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+import path from 'node:path';
+import { spawn } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+const main = path.join(here, 'docgen-v2.mjs');
+const child = spawn(process.execPath, ['--disable-warning=ExperimentalWarning', main, ...process.argv.slice(2)], {
+  stdio: 'inherit',
+  shell: false,
+  windowsHide: true,
+  env: process.env
+});
+
+child.on('error', (error) => {
+  console.error(`ERROR: failed to start DocGen: ${error.message}`);
+  process.exitCode = 1;
+});
+child.on('exit', (code, signal) => {
+  if (signal) process.kill(process.pid, signal);
+  else process.exitCode = code ?? 1;
+});