Implement the replace core function

[keliumJU]

Context

The next step in the refactoring of editorjs-undo it is necessary to create a replace function that allows us to replace data in the same block, for this we will use the update function of the API editorjs blocks, for more info about the function check:

https://editorjs.io/blocks/#update

Objective

• [ ] Implement the replace core function in the HistoryManager class.