Update 17 files

- /assugment1/.gitkeep
- /services/.gitkeep
- /services/services.go
- /models/.gitkeep
- /models/models.go
- /handlers/.gitkeep
- /handlers/handlers.go
- /main.go
- /assignment1/main.go
- /assignment1/services/.gitkeep
- /assignment1/services/services.go
- /assignment1/models/.gitkeep
- /assignment1/models/models.go
- /assignment1/handlers/.gitkeep
- /assignment1/handlers/handlers.go
- /.gitkeep
- /go.mod