Running mern init produces a lot of deprecation warnings

[kitlith]

Here's a list of packages that are not maintained according to messages:

• babel-preset-es (consider babel-preset-env)
• redux-ava
• postcss-cssnext -> postcss-preset-env
• mockgoose -> mongodb-memory-server
• not-so-shallow
• circular-json -> flatted
• formatio (maintained by someone else?)
• samsam (maintained by someone else?)

Requesting an upgrade via deprecation:

• hoek
• boom
• cryptiles
• browsers list
• formidable