Next release of node-addon-api

[mhdawson]

Release will be 3.0.0

PRs to land.

• find places were we document which versions of Node.js are support and remove all lower than
  10.x 709

• src: add support for addon instance data 663

• Added badge section to documentation - 688

• Fix minor typo in object_lifetime_management.md 692

• src: change guards to NAPI_VERSION > 5 697 - (3 approvals)

• support bigint64/biguint64 in TypedArray::ElementSize() 705

Possibly also include:

• Added Object::New() taking a list of properties 628

• doc: add instance data APIs 708

[NickNaso]

I'm starting to make the new release. If I will not have problem with CI it will go out very soon.

[NickNaso]

I'm closing the issue because the new version of node-addon-api has been released.