When the 'pause' button was clicked, the text could jump and become realigned according to the space taken by the now visible scrollbar. This change fixes that issue by leaving a gap for the scrollbar whether it is visible or hidden.
Fix #89
No need to declare the fonts in CSS. Handled by loader.ts
TheSurahIndex.tsx provides a list of surahs (aka chapters) from The Quran. Fix #2.
