Fix broken links

Author: olgahryniuk

docs/developer-resources/welcome.mdx

@@ -14,8 +14,8 @@ resources that will help you with developing on Cardano.
 - To get started, head over to the
  [Developer portal](https://developers.cardano.org/). There, you will find
  guides and tutorials on how to
- [install](https://developers.cardano.org/docs/get-started/cardano-node/installing-cardano-node)
- and [run](https://developers.cardano.org/docs/get-started/cardano-node/running-cardano) the
+ [install](https://developers.cardano.org/docs/operate-a-stake-pool/node-operations/installing-cardano-node)
+ and [run](https://developers.cardano.org/docs/operate-a-stake-pool/node-operations/running-cardano) the
  Cardano node and
  [create simple transactions](https://developers.cardano.org/docs/get-started/create-simple-transaction).
 - Alternatively, explore the