Change zoom from 3x to 5x (#6164)

Because some people actually read images with really small text

*I hope they have some extreme high quality pictures else I don't know how they read the raster images*

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt

@@ -141,7 +141,7 @@ open class ReaderPageImageView @JvmOverloads constructor(
         setOnImageEventListener(
             object : SubsamplingScaleImageView.DefaultOnImageEventListener() {
                 override fun onReady() {
-                    // 3x zoom
+                    // 5x zoom
                     maxScale = scale * MAX_ZOOM_SCALE
                     setDoubleTapZoomScale(scale * 2)
 
@@ -261,4 +261,4 @@ open class ReaderPageImageView @JvmOverloads constructor(
     }
 }
 
-private const val MAX_ZOOM_SCALE = 3F
+private const val MAX_ZOOM_SCALE = 5F