🐞 Golang modules: use proper module name
🐞 Golang modules: use proper module name

fixes:
```
main.go:7:2: module github.com/cunnie/sslip.io@latest found (v0.0.0-20201126193932-db357c737757), but does not contain package github.com/cunnie/sslip.io/src/xip
```

cunnie/sslip.io,cunnie/sslip.io,cunnie/sslip.io,cunnie/sslip.io