Compatibility with Jupyterlab 4

[linuxrider]

This PR adds support for jupyterlab 4+

[github-actions]

👈 Launch a Binder on branch linuxrider/jupyterlab-mol-visualizer/jl4

[dou-du]

@linuxrider Thanks a lot! This is really great! Sorry for not checking ealier. However, I was not able to install this PR successfully with the latest JupyterLab. I have adopted your updates and using the latest template. I will merge them into the new released code.

[dou-du]

@linuxrider By the way, could you tell me your name and affiliation? We are going to finish a research paper about Jupyter widgets and extensions. We would like to acknowledge you in the paper. Thanks!

[linuxrider]

@linuxrider Thanks a lot! This is really great! Sorry for not checking ealier. However, I was not able to install this PR successfully with the latest JupyterLab. I have adopted your updates and using the latest template. I will merge them into the new released code.

I thought I checked that the binder was working.
I have pushed the rest of my local changes and checked the binder. Is seems to work. It displayed a cube file.

[linuxrider]

@linuxrider By the way, could you tell me your name and affiliation? We are going to finish a research paper about Jupyter widgets and extensions. We would like to acknowledge you in the paper. Thanks!

Johannes M. Hermann, Ulm University, Institute of Electrochemistry
https://orcid.org/0000-0001-7119-1295