added copyright notice into output jar

Copyright_Notice

@@ -3,6 +3,8 @@ This project uses third party libraries as its dependencies and includes them in
 	Cotton config, Cotton logging, and Jankson-Fabric all by Cotton team licensed under MIT license which can be found at https://github.com/CottonMC/Cotton
 	XZ for Java by Tukaani released as public domain. https://tukaani.org/xz/java.html
 	parallelgzip by shevek under Apache 2.0 http://www.apache.org/licenses/
+
+To save on space Parallel BZip2 was unpacked
 	Parallel BZip2 compression by Karl Gustafsson at http://at4j.sourceforge.net/ under GPL v3
 
 Some code was partially or fully inspired by:

build.gradle

@@ -69,6 +69,8 @@ jar {
 	from("LICENSE") {
 		rename { "${it}_${project.archivesBaseName}"}
 	}
+
+	from("Copyright_Notice")
 }
 // configure the maven publication
 publishing {