Protocols

Base DI protocol.

Sample Usage:

```
extension SampleImagesDataSourceDelegate: DependencyInjectable {
     // MARK: - 🔌Dependencies injection
     func inject(imagesDataSource: ImagesDataSource) {
     }
}
``` 

*

Provides structured description of Sample Images data

Support for debug configurations

Syntactic sugar for Swift initializers, CCed from: https://github.com/devxoul/Then

Enhancements to base ErrorType, to provide base compatibility with NSError

Image Service protocol

Simplifies registering classes & nibs into UICollectionView Provides static defaultReuseIdentifier property

Provides static defaultElementKind property

Provides static nibName property