Backend: Bootstrap Node.js API and Integrate with Desktop app

Technical specs

Implement the backend Node.js service that will act as a counterparty. It implements the maker side of the SDK negotiation protocol by making offers and proceed with the swap if someone takes the offer from the desktop client.

-- /
 | - maker/ (backend)
    |- package.json
 |- app/ (frontend)
 |- package.json

This task covers just the setup and configuration, as well as integrating it with the Electron app. At minimum, the Electron app should be able to communicate with it. Starting the Electron app should also start this backend.

Defition of Done

Users can run and install both frontend and backend.
Frontend communicates with backend

comit-network / app

Backend: Bootstrap Node.js API and Integrate with Desktop app #3