Update Art Book Next theme

Changes:
adds option to set the transparency of the status bar: 50% (default), 100%, 0%

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested Locally?

Installed on my local devices and tested in Retrobat on my local PC

## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation

packages/themes/es-theme-art-book-next/package.mk

@@ -4,7 +4,7 @@
 # Copyright (C) 2021 Fewtarius
 
 PKG_NAME="es-theme-art-book-next"
-PKG_VERSION="b5b5312a42060bd05d4dee8b14e750159c471374"
+PKG_VERSION="d4737deac7518360d3f35966c5369193d0d99afa"
 PKG_ARCH="any"
 PKG_LICENSE="CUSTOM"
 PKG_SITE="https://github.com/anthonycaccese/art-book-next-jelos"