Add usage/installation instructions

[Tafubitto]

I would love to contribute or use this, but I don't know how to get started. A tutorial link in the README on how to import and use it in Eclipse would be much appreciated.

[blackspherefollower]

Buttplug4J uses gradle in a pretty standard way (intellij will just open it as a java project). It seems eclipse still requires extra plugsins: https://www.tutorialspoint.com/gradle/gradle_eclipse_integration.htm

I'm not going to rule out contributions, but I think it'd be a good idea to open issues to discuss any changes before you spend time implementing them.

[Cind3r]

I'm just now coming across this project as I'm trying to integrate Intiface with a java-based game, however, I'm having the same issue as the commentator above.

I'm not new to programming, but haven't worked a ton with java, and I'm finding it incredibly difficult to understand how to implement this in an already existing code base. Frankly, I can't even get it to work stand-alone in Intellij after installing all dependencies.

Could the README be update with examples of implementing this into actual scripts/use cases?

[blackspherefollower]

OK, so I've just created an example project repo: https://github.com/blackspherefollower/buttplug4j-example

You shouldn't be downloading dependencies manually, Gradle is way to go these days (Maven might still be lingering in places though).