Todos

- [x] Write Integration Test (usecase, storages layer).
- [x] Structure code by simple MVC Architecture.
- [x] Limit Create Task per day can avoid race condition.
- [x] Split `services` layer to `use case` and `transport` layer.
- [x] Change from using `SQLite` to both `SQLite` and `Postgres`.
- [x] Hashing user's password.
- [x] Error handling.
- [ ] Write Integration Test (transport layer).
- [ ] Using docker-compose.

How to run

- Please set env to `config.json` and run `go run main.go`

How to test

- Please set env to `test.config.json` for every layer before run test