release: Multi-Hoster-Upload 2.1.1

Add live English and German interface switching, animated navigation and history controls, improved update changelogs, remembered upload folders, reliable repeated hot reloads, and refreshed public documentation.

tests/dev-runner.test.js

@@ -0,0 +1,11 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+
+test('dev runner cannot let an old child exit clear the current Electron process', () => {
+  const source = fs.readFileSync(path.join(__dirname, '..', 'scripts', 'dev-runner.cjs'), 'utf8');
+
+  assert.match(source, /const startedChild = spawn\(electron/u);
+  assert.match(source, /if \(child !== startedChild\) return;\s*child = null;/u);
+});