How to write a SNAPP

• Install CLI:
  • Mac: npm install -g snapp-cli
  • Linux: sudo npm install -g snapp-cli
• Windows: npm install -g snapp-cli.
• Get started using an example--e.g. snapp example sudoku
• E.g. Step-by-step how to use Snapp CLI--e.g. snapp project <myproj>
• Requirements (e.g. Node version 12+, etc).
• E.g. Hello World