Update README.md

README.md

+# QUDA with HIP backend
+
+Contributors:
+
+Yu-Jiang Bi (IHEP/CAS)
+Ming Gong (IHEP/CAS)
+Peng Sun (Nanjing Normal University)
+Yi Xiao (ICT/CAS)
+Shun Xu (CNIC/CAS)
+Yi-Bo Yang (ITP/CAS)
+
 # QUDA 0.9.0                        
 
 ## Overview