Save orderNumber of reference, and http link if exists

README.md

@@ -3,6 +3,7 @@
 - The main program runs at : *http://localhost:8080/api/grobid/upload*
 - H2 database can be found on : *http://localhost:8080/h2-console/login.jsp?jsessionid=9af0ea4b83284ff0a4574769b0336943*
 - Password for the DBS can be found in : `resources/application.properties`
+- GROBID server available on address *http://158.196.98.65:8080/* at university network
 
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