Move battery status on home screen to top left (#253)

So it doesn't look so lost on a row on its own.

Also sligthly (1px) moved symbol in on reader view.

src/activities/reader/EpubReaderActivity.cpp

@@ -437,7 +437,7 @@ void EpubReaderActivity::renderStatusBar(const int orientedMarginRight, const in
   }
 
   if (showBattery) {
-    ScreenComponents::drawBattery(renderer, orientedMarginLeft, textY);
+    ScreenComponents::drawBattery(renderer, orientedMarginLeft + 1, textY);
   }
 
   if (showChapterTitle) {