append the minecraft version to the mod version string

build.gradle

@@ -3,7 +3,7 @@ plugins {
 	id 'maven-publish'
 }
 
-version = project.mod_version
+version = "${project.mod_version}+${project.minecraft_version}"
 group = project.maven_group
 
 base {
@@ -84,4 +84,4 @@ publishing {
 		// The repositories here will be used for publishing your artifact, not for
 		// retrieving dependencies.
 	}
-}
+}