Add MIT LICENSE file and include in all JAR artifacts

Author: howtis

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 howtis
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

build.gradle

@@ -62,6 +62,12 @@ subprojects {
         dependsOn(tasks.matching { it.name == 'createVenv' })
     }
 
+    tasks.named('jar') {
+        metaInf {
+            from rootProject.file('LICENSE')
+        }
+    }
+
     tasks.withType(Test).configureEach {
         useJUnitPlatform()
         systemProperty 'junit.jupiter.execution.parallel.enabled', 'true'

python-embed-gradle-plugin/build.gradle

@@ -31,6 +31,12 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter'
 }
 
+tasks.named('jar') {
+    metaInf {
+        from rootProject.file('../LICENSE')
+    }
+}
+
 test {
     useJUnitPlatform()
 }