fix(i18n): fix critical review findings

- sw/glossary.json: replace Thai script corruption
  with correct Swahili in 3 glossary entries
- de/whitepaper: fix typos (Minder->Miner, Sytem,
  Sybill, dezentralisiertee, capitalization),
  update outdated URLs to match English source
- it/hello-world tutorial: fix broken URLs in code
  blocks (https: // -> https://), restore malformed
  JSDoc delimiter (/* * -> /**)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: wackerow <54227730+wackerow@users.noreply.github.com>

Author: 3 people