Change the TypeScript Compiler / Transpiler for Webpack and Jest

[achimcc]

SWC is written in Rust and will hopefully improve build time and CI significantly.

• Try to replace ts-loader/ts-jest by SWC, see https://github.com/swc-project/swc-loader and https://github.com/swc-project/jest.
• Enable ESM support for jest
• Try if switching compilation/transpiling from ts-jest to SWC allows the testing of Monaco Editor, therefore finishing PR Add Monaco Webeditor to Frontend #20