Outline view and completions for Enso code in VSCode.
# Important Notes
This PR provides the necessary infrastructure for building VSCode extension that includes `enso_parser` library compiled for all supported platforms.
VSCode extension can now use libraries from `sbt` that are `publishM2`-ready. To make that possible a documentation must have been provided and fixed for those modules - hence so many changes in `.scala` classes.
<img width="862" alt="image" src="https://github.com/enso-org/enso/assets/26887752/7374bf41-bdc6-4322-b562-85a2e761de2a">
Last, but not least. The outline view and completions display something.
Let's _untie_ the [VSCode Enso extension](https://marketplace.visualstudio.com/items?itemName=Enso.enso4vscode) from `sbt` commands. Let's **open any Enso file in the editor** and then use _F5_ or _Ctrl-F5_ to execute it. Let the user choose which `bin/enso` script to use for execution completely skipping the need for `sbt`.
Fixing node.js dependencies as:
```bash
enso/tools/enso4igv$ mvn clean install -Pvsix
```
was broken. Making sure the VSIX build is part of the _actions workflow_.
# Important Notes
To reproduce/verify remove `enso/tools/enso4igv/node_modules` first and try to build.
