Added the .idea folder generated by IntelliJ to the .gitignore file.
Added the .idea folder generated by IntelliJ to the .gitignore file.

krosenvold/AxonFramework,christiaandejong/AxonFramework,bojanv55/AxonFramework,soulrebel/AxonFramework,Cosium/AxonFramework,phaas/AxonFramework,BrentDouglas/AxonFramework,fpape/AxonFramework,adinath/AxonFramework,oiavorskyi/AxonFramework,AxonFramework/AxonFramework