Handful of improvements

• chore: update @adonisjs/fold fb58256
• chore: update adonisjs instructions block 1ddc84e
• docs: update readme and remove doctoc cdebced
• chore: update dependencies 671e1b6
• feat: accept driver meta options during mail.send fd92959
• refactor: accept config during the send method 7746be3
• refactor: update mail config template and add contract template fd0d2c1
• refactor: cleanup types f6286c0
• refactor: remove _ prefix from all private properties 13a8376
• chore: remove tslint in favor of eslint ce83377
• chore: update dependencies 480e1ba

v4.0.0-0...v4.0.0

Pre-release for rewrite in Typescript

• feat: first working version 4b938d7
• feat: restart from scratch abf758a
• feat(mailgun): add support for regions e07e2bc
• feat: allow set SMTP_PORT on config (#30) c0f565a

v3.0.9...v4.0.0-0