Build the first interfaces of the API

[amihaiemil]

As per the documentation, the entry point is Docker, which has Containers, Images, Volumes etc.

public interface Docker {
    Containers containers();
    Images images();
    Volumes volumes();
    //...
}

[0pdd]

@amihaiemil 3 puzzles #70, #71, #72 are still not solved; solved: #13, #14, #18, #19, #3, #4, #7, #9.

[0pdd]

@amihaiemil 2 puzzles #70, #71 are still not solved; solved: #13, #14, #18, #19, #3, #4, #72, #7, #9.

[0pdd]

@amihaiemil 2 puzzles #71, #77 are still not solved; solved: #13, #14, #18, #19, #3, #4, #70, #72, #7, #9.

[0pdd]

@amihaiemil 5 puzzles #77, #83, #84, #85, #86 are still not solved; solved: #13, #14, #18, #19, #3, #4, #70, #71, #72, #7, #9.

[0pdd]

@amihaiemil 5 puzzles #83, #84, #85, #86, #95 are still not solved; solved: #13, #14, #18, #19, #3, #4, #70, #71, #72, #77, #7, #9.

[0pdd]

@amihaiemil 5 puzzles #83, #84, #85, #95, #96 are still not solved; solved: #13, #14, #18, #19, #3, #4, #70, #71, #72, #77, #7, #86, #9.