Unfortunately, the install script doesn't work on windows, due to:
- Powershell defining an alias that maps `curl` to `Invoke-WebRequest`,
which is incompatible with `curl`.
- The absence of the `rev` command.
type: documentation
fixes:
- https://github.com/casey/intermodal/issues/371
- Mention various chat channels
- Add `intermodal-bin` package to package table
- Document `bin/gen`
- Add contributing section
- Link to book
type: documentation
