fix DOI -> doi for RG_format

hal/views.py

@@ -582,6 +582,7 @@ def text_format_rg(request):
                             pp = pp.replace(",","")
                             pp = pp.strip()
                             rest_publi = rest_publi[z:]
+                            rest_publi = rest_publi.replace("DOI","doi")
       
                             print ("rest_publi 4 :"+rest_publi)