Improve rendering of keyboard keys in CHANGELOG.md
Improve rendering of keyboard keys in CHANGELOG.md

bartsch-dev/jabref,grimes2/jabref,mredaelli/jabref,oscargus/jabref,jhshinn/jabref,Mr-DLib/jabref,JabRef/jabref,shitikanth/jabref,bartsch-dev/jabref,oscargus/jabref,mredaelli/jabref,JabRef/jabref,grimes2/jabref,tobiasdiez/jabref,bartsch-dev/jabref,sauliusg/jabref,zellerdev/jabref,mredaelli/jabref,jhshinn/jabref,Siedlerchr/jabref,grimes2/jabref,shitikanth/jabref,shitikanth/jabref,bartsch-dev/jabref,sauliusg/jabref,JabRef/jabref,oscargus/jabref,Mr-DLib/jabref,Mr-DLib/jabref,Siedlerchr/jabref,grimes2/jabref,tobiasdiez/jabref,jhshinn/jabref,mredaelli/jabref,jhshinn/jabref,Siedlerchr/jabref,zellerdev/jabref,zellerdev/jabref,zellerdev/jabref,mredaelli/jabref,tobiasdiez/jabref,oscargus/jabref,JabRef/jabref,oscargus/jabref,sauliusg/jabref,Mr-DLib/jabref,zellerdev/jabref,Siedlerchr/jabref,grimes2/jabref,bartsch-dev/jabref,jhshinn/jabref,sauliusg/jabref,shitikanth/jabref,Mr-DLib/jabref,shitikanth/jabref,tobiasdiez/jabref