Update GettingStarted.md
Update GettingStarted.md

typo fix
ReSwift/ReSwift,mpsnp/ReSwift,ycfreeman/ReSwift,ReSwift/ReactiveReSwift,russbishop/Swift-Flow,russbishop/Swift-Flow,ReSwift/ReSwift,ycfreeman/ReSwift,ycfreeman/ReSwift,Swift-Flow/Swift-Flow,ycfreeman/ReSwift,Swift-Flow/Swift-Flow,mpsnp/ReSwift,Swift-Flow/Swift-Flow,ReSwift/ReactiveReSwift,mpsnp/ReSwift,Swift-Flow/Swift-Flow,Swift-Flow/Swift-Flow,ReSwift/ReSwift,ReSwift/ReactiveReSwift,ycfreeman/ReSwift