GH-285 - Add Antora plugin to distribution build.

Author: odrotbohm

spring-modulith-distribution/pom.xml

@@ -36,6 +36,10 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
 			</plugin>
+			<plugin>
+				<groupId>io.spring.maven.antora</groupId>
+				<artifactId>antora-maven-plugin</artifactId>
+			</plugin>
 		</plugins>
 	</build>