[TASK] Execute Custom JS code in Jupyter Lab

[CermakM]

User story As a user of this extension I want to be able to use this extension in Jupyter Lab so that I could execute custom JS code snippets

Acceptance Criteria

• [ ] The extension can be loaded into Jupyter Lab environment using the %load_ext magic
• [ ] Custom libraries can be loaded into the context using the magic commands
• [ ] Custom JS can be executed in Jupyter Lab
• [ ] The custom script can make use of the libraries/modules loaded by the extension

Linked epics / issues

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