add Maven core documentation urls for older releases
diff --git a/src/main/resources/dist-tool.conf b/src/main/resources/dist-tool.conf
index 3f3b364..80bc437 100644
--- a/src/main/resources/dist-tool.conf
+++ b/src/main/resources/dist-tool.conf
@@ -59,10 +59,15 @@
## apache-maven [2.2,3.0-alpha-1)
/maven-3: org.apache.maven src+bin
+ > apache-maven:3.0.5 site = https://maven.apache.org/ref/3.0.5/
apache-maven [3.0,3.1.0-alpha-1)
+ > apache-maven:3.1.1 site = https://maven.apache.org/ref/3.1.1/
apache-maven [3.1.0,3.2.0-alpha-1)
+ > apache-maven:3.2.5 site = https://maven.apache.org/ref/3.2.5/
apache-maven [3.2.0,3.3.0-alpha-1)
+ > apache-maven:3.3.9 site = https://maven.apache.org/ref/3.3.9/
apache-maven [3.3.0,3.4.0-alpha-1)
+ > apache-maven:3.5.4 site = https://maven.apache.org/ref/3.5.4/
apache-maven [3.5.0,3.6.0-alpha-1)
apache-maven