Feat/cleanup node and monorepo

[ltardivo]

This PR enhances project security and improves the build and test processes.

• Removes high-risk dependencies, upgrade version of conflicting packages
• Removes script at nakamotoJs, use normal npm audit
• Moves dotenv to devDependencies at package/lib

Bitcoin Computer Node build automatization:

• Changes build path in docker-compose.yml file to automatically build when starting the node npm run up

Testing over regtest:

• Use bcdb custom BTC docker image to simplify development on regtest
• Inline scripts, cleanup

[ClemensLey]

Looks good to me