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.

scripts/verify-public-release.mjs

@@ -62,6 +62,7 @@ const sourceFiles = [
   'renderer/account-submit.js',
   'renderer/app.js',
   'renderer/drop-target.html',
+  'renderer/i18n.js',
   'renderer/index.html',
   'renderer/styles.css',
   'scripts/afterPack.cjs',
@@ -83,11 +84,13 @@ const sourceFiles = [
   'tests/diagnostics-agent.test.js',
   'tests/diagnostics-collectors.test.js',
   'tests/diagnostics-protocol.test.js',
+  'tests/dev-runner.test.js',
   'tests/doodstream-api-upload.test.js',
   'tests/doodstream-upload.test.js',
   'tests/file-probe.test.js',
   'tests/history-retention.test.js',
   'tests/hosters.test.js',
+  'tests/i18n.test.js',
   'tests/ip-allowlist.test.js',
   'tests/log-mode.test.js',
   'tests/log-policy.test.js',