Add examples of default values.
Add examples of default values.

senecajs/seneca-mvp,mcollina/seneca-mvp-shard-redis,mirceaalexandru/seneca-mvp,rjrodger/seneca-mvp,rjrodger/seneca-mvp,mirceaalexandru/seneca-mvp,senecajs/seneca-mvp,mcollina/seneca-mvp-shard-postgresql