Update author list

README.md

@@ -55,6 +55,7 @@ The following authors, in alphabetical order, have contributed to Corryvreckan:
 
 * Matthew Daniel Buckland, University of Liverpool, @mbucklan
 * Carsten Daniel Burgard, DESY, @cburgard
+* Eric Buschmann, CERN, @ebuschma
 * Manuel Colocci, CERN, @mcolocci
 * Jens Dopke, STFC RAL, @jdopke
 * Nicolò Jacazio, CERN, @njacazio