jitpack with gradle 7

usbSerialForAndroid/build.gradle

@@ -1,4 +1,7 @@
-apply plugin: 'com.android.library'
+plugins {
+    id 'com.android.library'
+    id 'maven-publish'
+}
 
 android {
     compileSdkVersion 30
@@ -30,6 +33,26 @@ dependencies {
     androidTestImplementation 'org.apache.commons:commons-lang3:3.11'
 }
 
-//apply from: 'publishToMavenLocal.gradle'
+// gradle task: publishToMavenLocal
+project.afterEvaluate {
+    publishing {
+        publications {
+            release(MavenPublication) {
+                from components.release
+                artifact androidSourcesJar
+
+                // values used for local maven repo, jitpack uses github release:
+                groupId 'com.github.mik3y'
+                artifactId 'usb-serial-for-android'
+                version 'v3.5.0beta'
+            }
+        }
+    }
+}
+
+task androidSourcesJar(type: Jar) {
+    classifier 'sources'
+    from android.sourceSets.main.java.srcDirs
+}
 
 //apply from: 'coverage.gradle'