v1.6.0

📚 PR:

• chore(package): update fastify to version 2.0.0
• Updated to fastify v2
• fix(package): update semver to version 6.0.0
• Adds defaults generic types to main function
• Adds test for fastify plugin’s generic typings
• Organize typescript testing (#63)
• update all dependencies to latest, the same of Fastify (latest) (#64)
• ignore tap (#71)