Various refactors and simple improvements

[renbou]

Hi, found you project and wanted to contribute a bit, since the only closest tool to this I know is written in python, so hopefully someday this ends up replacing it. since go is simply faster :) Scanning thousands of urls with go for js files and maybe checking they're vulnerable or something is definitely faster than python.

Made some refactorings:

• if simplification using chaining
• modified and simplified logger
• switched to go mod, which is the default way of shipping go projects now
• added common shorthands like in ffuf, curl etc

[renbou]

Hi, any updates?

[003random]

Hi, Im very sorry. I never got a notification of this PR and somehow I missed it completely. Thank you for the contributation and well made changes!

When running your version, im getting the following error: