Fix license bundling

README.md

@@ -51,7 +51,7 @@ After cloning this repository, build the project with Gradle by running `/gradle
 License:
 --------
 
-MIT License, see LICENSE for more details.
+MIT License, see LICENSE.txt for more details.
 
 
 Special thanks to all our [Contributors](https://github.com/ViaVersion/ViaVersion/graphs/contributors)

buildSrc/src/main/kotlin/extensions.kt

@@ -24,6 +24,9 @@ fun Project.configureShadowJar() {
             if (name == "jar") {
                 archiveClassifier.set("unshaded")
             }
+            from(project.parent!!.file("LICENSE.txt")) {
+                into("")
+            }
         }
     }
 }