added more exceptions to git-ignore
added more exceptions to git-ignore

VincentGijsen/streamingbandit,MKaptein/streamingbandit,MKaptein/streamingbandit,Nth-iteration-labs/streamingbandit,VincentGijsen/streamingbandit,Nth-iteration-labs/streamingbandit,MKaptein/streamingbandit,VincentGijsen/streamingbandit