Update readme to include a warning about autocrlf
Update readme to include a warning about autocrlf

olcayseker/FluentValidation,deluxetiky/FluentValidation,roend83/FluentValidation,ruisebastiao/FluentValidation,glorylee/FluentValidation,IRlyDontKnow/FluentValidation,pacificIT/FluentValidation,robv8r/FluentValidation,cecilphillip/FluentValidation,regisbsb/FluentValidation,mgmoody42/FluentValidation,GDoronin/FluentValidation,roend83/FluentValidation