removed scroll bar for PDF viewers
removed scroll bar for PDF viewers

When we are on PDF version of this book we don't have the horizontal scroll bars so added newline character so half text doesn't go missing
astaxie/build-web-application-with-golang,astaxie/build-web-application-with-golang,admpub/build-web-application-with-golang,faxriddin/build-web-application-with-golang,cywxer/build-web-application-with-golang,mahata/build-web-application-with-golang,songqii/build-web-application-with-golang,WangKaimin/build-web-application-with-golang,WangKaimin/build-web-application-with-golang,admpub/build-web-application-with-golang,Goryudyuma/build-web-application-with-golang,songqii/build-web-application-with-golang,admpub/build-web-application-with-golang,cywxer/build-web-application-with-golang,Goryudyuma/build-web-application-with-golang,admpub/build-web-application-with-golang,astaxie/build-web-application-with-golang,faxriddin/build-web-application-with-golang,mahata/build-web-application-with-golang