Add load_from_docbin example [ci skip]
Add load_from_docbin example [ci skip]

TODO: upload the file somewhere

explosion/spaCy,spacy-io/spaCy,explosion/spaCy,honnibal/spaCy,honnibal/spaCy,spacy-io/spaCy,honnibal/spaCy,explosion/spaCy,spacy-io/spaCy,spacy-io/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,honnibal/spaCy,explosion/spaCy,explosion/spaCy