increase prettier line length to 120 (#233)

* [Prettier] Increase max line length to 120

100 is quite low, especially on modern monitors.
The length is also reached quite quickly with 4 spaces per tab depending on the indentation depth

* [Prettier] Increase max line length to 120 - Fix formatting

src/components/reader/pager/VerticalPager.tsx

@@ -85,9 +85,7 @@ export default function VerticalPager(props: IReaderProps) {
             }
 
             window.scroll({
-                top:
-                    window.scrollY +
-                    window.innerHeight * SCROLL_OFFSET * (direction === 'up' ? -1 : 1),
+                top: window.scrollY + window.innerHeight * SCROLL_OFFSET * (direction === 'up' ? -1 : 1),
                 behavior: SCROLL_BEHAVIOR,
             });
         },