message: Doc/how-tos/rotate-key : add NodeJs edition + misc updates (Fix : remove link in README following review of Artemkaaas
diff: Indy-SDK Developer Walkthrough #2, NodEJS Edition
  -[ [Python](../python/README.md) | [Java](../java/README.md) | [.NET](../../not-yet-written.md) | [Node.js](../../not-yet-written.md) | [Objective C](../../not-yet-written.md) | [Rust](../rust/README.md)]
  +[ [Python](../python/README.md) | [Java](../java/README.md) | [.NET](../../not-yet-written.md) | [Objective C](../../not-yet-written.md) | [Rust](../rust/README.md)]
  ## Prerequisites
  