* Bump engines required to node 16 and npm 8
* Bump @types/node to 16
The dep on node 14.18 will get cleaned up once we bump electron
* Modify build.yml to build with node 16 and npm 8
* Update requirements in README.md
* Remove install step for npm 8
npm v8.1.2 is included in node v16
* Rename install step
* Fixed typo