Generate Emacs and Vim theme from VS Code theme.json

* Can be extended to other editors. (faq)

Few nice looking VS Code theme's json files:

Bluloco (light)Link to theme.json
Palenight (dark)Link to theme.json
How to find VS Code theme's json file?
Note: Theme conversion depends on fallbacks for unsupported colors, editor defaults are adjusted automatically, so its better to modify the color values in the generated theme for exact change.