fix: AppImage required --no-sandbox

Not tested enough but works on my machine

tools/after-pack.js

@@ -0,0 +1,34 @@
+const fs = require('fs');
+const path = require('path');
+
+const {
+  buildLinuxLauncherScript,
+  resolveLinuxLauncherNames
+} = require('../dist/electron/app/linux-launcher.rules.js');
+
+const LAUNCHER_MODE = 0o755;
+
+function installLinuxLauncher(appOutDir, executableName) {
+  const { launcherFileName, binaryFileName } = resolveLinuxLauncherNames(executableName);
+  const launcherPath = path.join(appOutDir, launcherFileName);
+  const binaryPath = path.join(appOutDir, binaryFileName);
+
+  if (!fs.existsSync(binaryPath)) {
+    fs.renameSync(launcherPath, binaryPath);
+  }
+
+  fs.writeFileSync(launcherPath, buildLinuxLauncherScript({ binaryFileName }), 'utf8');
+  fs.chmodSync(launcherPath, LAUNCHER_MODE);
+
+  return launcherFileName;
+}
+
+exports.default = async function afterPack(context) {
+  if (context.electronPlatformName !== 'linux') {
+    return;
+  }
+
+  const launcherFileName = installLinuxLauncher(context.appOutDir, context.packager.executableName);
+
+  console.log(`  • linux launcher installed  file=${launcherFileName}`);
+};