This MR adds the library code-mirror in order to make custom editors.
In this case we have made a default code-editor in order to support markdown, but more could be made in the future.
In order to create a markdown editor, call the newly implemented method with the required parameters and a callback in order to support more optimization.
In order to realize this, there was support for webpack needed in order to package everything correctly, this has caused some changes in the usage/deployment but should not cause big changes.
