TP-85075 | add sources jar to maven snapshot (#569)

navi-uitron/build.gradle

@@ -42,6 +42,18 @@ android {
     }
 }
 
+sourceSets {
+    main {
+        java {
+            srcDirs = ['src/main/java', 'src/main/kotlin']
+        }
+    }
+}
+
+java {
+    withSourcesJar()
+}
+
 publishing {
     repositories {
         if (project.hasProperty('NEXUS_URL')
@@ -69,6 +81,8 @@ publishing {
 
                 artifact("build/outputs/aar/navi-uitron-${BUILD_TYPE}.aar")
 
+                artifact sourcesJar
+
                 pom.withXml {
                     def dependenciesNode = asNode().appendNode('dependencies')
                     configurations.implementation.allDependencies.each {