Improved: Put the TOCs on left in generated AsciiDoc documentation
(OFBIZ-11423)
Following discussions

* AsciiDoc generated online documentation and releases
* New Online Help, need some ideas
threads on dev ML

I propose as suggested Oliver to put TOCs at the left. If I refer to
https://github.com/asciidoctor/asciidoctor-gradle-plugin/issues/119
toc: 'left@'
should be put in the main build.gradle

Thanks: Olivier Heintz for the suggestion
diff --git a/build.gradle b/build.gradle
index 3af6173..0848b70 100644
--- a/build.gradle
+++ b/build.gradle
@@ -507,7 +507,7 @@
         'icons': 'font',
         'sectnums': '',
         'chapter-label': '',
-        'toc': '',
+        'toc': 'left@',
         'toclevels': '3'
 }