Improve on @types and configs

Improve on @types and configs

Add email library

Add csvparser, xlsx sheet builder, file uploader utilities

Configure to serve views using ejs templating engine

Update package.json

Add email library, environment variables, sample email views, docker .yaml files and tslint configs

Sample models, and fastify middlewares

Document using swagger UI

Sample controllers using mongo as the database

Add server file and config directory

Add type information for sample models and config file

Project scaffolding