Extract custom CSS in Site modules into a file

[abelsromero]

What is this issue about?

• Bug report 🪲
• Feature request 🏎
• Question ❓ Consider dropping it first in the Project Chat

Description

We want to extract the custom logic we are embedding to reduce repetition.
For example we now embed for Examples

asciidoctor-maven-plugin/asciidoctor-parser-doxia-module/src/main/java/org/asciidoctor/maven/site/parser/processors/ExampleNodeProcessor.java

Line 67 in f9c8e67

sink.division(SinkAttributes.of(STYLE, Styles.EXAMPLE));

the styles from

asciidoctor-maven-plugin/asciidoctor-parser-doxia-module/src/main/java/org/asciidoctor/maven/site/parser/processors/Styles.java

Line 14 in f9c8e67

public static final String EXAMPLE = Stream.of(

Environment information

• asciidoctor-maven-plugin version: ___
• asciidoctorj version: ___

• Maven, Java and OS version: ___

[abelsromero]

Asking for support, so far I could not find a simple way to modify the header https://lists.apache.org/thread/7jgcl0o8grncryrfgfmhqb5h35orvrhj