## Description Add a helper function `IsEmpty(...)` in `projectdiscovery/utils/file/file.go` that checks if a file is empty (ref: https://github.com/projectdiscovery/shuffledns/blob/1e45a1b42a7910fa6af00bf6071e107af73fab48/pkg/massdns/utils.go#L8)
Description
Add a helper function
IsEmpty(...)inprojectdiscovery/utils/file/file.gothat checks if a file is empty (ref: https://github.com/projectdiscovery/shuffledns/blob/1e45a1b42a7910fa6af00bf6071e107af73fab48/pkg/massdns/utils.go#L8)