message: docs(operators.md): fix broken "anatomy of a marble diagram" link
  Closes
diff: @@ -105,7 +105,7 @@ To explain how operators work, textual descriptions are often not enough. Many o
  Below you can see the anatomy of a marble diagram.
  -<img src="../../assets/images/guide/marble-diagram-anatomy.svg">
  +<img src="assets/images/guide/marble-diagram-anatomy.svg">
  Throughout this documentation site, we extensively use marble diagrams to explain how operators work. They may be really useful in other contexts too, like on a whiteboard or even in our unit tests (as ASCII diagrams).
  