update docker support ps commad

[albasyir]

What does this PR do?

Some framework (like nestjs) need PS command to watch changes, so needed to add this to make sure watch still available when user wanna develop it with this docker image

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

i have test using nestjs start:dev was not working, after I add that, nestjs can watch normally

[Electroid]

This guide is intended to be generic for any Bun application. This sounds like a specific dependency needed for a particular one. Because of that, I don't think we'll add this, but appreciate your PR!