Add an example for Java

[dr-housemd]

We should have an example to easily onboard Java developers.
https://github.com/buildsafedev/examples

After this issue, we can prompt user to ask for common Java dependencies.
#89

[Ayaan49]

Hey, I want to work on this issue. Can I be assigned to work on this?

[rakshitgondwal]

Hey @Ayaan49, go ahead!

[RohanMishra315]

Hey @Ayaan49 @rakshitgondwal you workign on this, let me know!

[Ayaan49]

Hey @RohanMishra315 , yes I'm working on it.

[rakshitgondwal]

Hey @Ayaan49! Did you make any progress on this?

[Ayaan49]

Hey @rakshitgondwal, I have built the java application but while running bsf init in the project directory I'm getting language not supported. Does bsf not support java?