MetaCall Jupyter kernel v0.1.0 release

First version of the MetaCall Jupyter kernel that follows the wrapper kernel mechanism using IPython and the Jupyter client:

• Setup the wrapper kernel using IPython and the Jupyter client.
• Integrated the Polyglot REPL into the Jupyter client and added support for Python & NodeJS.
• Added user-experience features for the kernel such as $loadfile, $loadcell, $inspect to load foreign modules and implement cross-language function calls. More information here.
• Added support to run Shell commands from the kernel.
• Implemented the CI/CD pipelines for the project using GitHub Actions.
• Containerized the project using Docker.
• Implemented the tests for the project using PyTest.
• Developed the documentation using Sphinx, published on ReadTheDocs here.