Harp 1.13.0

The first centralized and tagged release of the Harp standard including the device JSON schema.
@filcarv @artursilva0 @bruno-f-cruz @jfrazao @glopesdev

What's Changed

• Move schema branch into protocol repository by @glopesdev in #20
• Add specification proposal template by @glopesdev in #24
• Add specification template as a pull request by @glopesdev in #33

Full Changelog: https://github.com/harp-tech/protocol/commits/v1.13.0