package.json does not specify required npm and node versions

[Misterblue]

Iamus requires Node version 14 or above. This should be specified with an "engine" spec in package.json along with an a "engine-strict=true" in a .npmrc in the same directory.
Info at https://stackoverflow.com/questions/29349684/how-can-i-specify-the-required-node-js-version-in-package-json