added "how to use"

README.md

@@ -46,10 +46,13 @@ You can use this model with Transformers *pipeline* for NER.
 ```python
 from transformers import AutoTokenizer, AutoModelForTokenClassification
 from transformers import pipeline
+
 tokenizer = AutoTokenizer.from_pretrained("Babelscape/wikineural-multilingual-ner")
 model = AutoModelForTokenClassification.from_pretrained("Babelscape/wikineural-multilingual-ner")
+
 nlp = pipeline("ner", model=model, tokenizer=tokenizer)
 example = "My name is Wolfgang and I live in Berlin"
+
 ner_results = nlp(example)
 print(ner_results)
 ```