Add maven-publish configuration to support JitPack builds

Author: Pascal Wink

build.gradle

@@ -1,5 +1,5 @@
 group 'com.bunq.sdk'
-version '1.28.0.2'
+version '1.28.0.3'
 
 apply plugin: 'java'
 apply plugin: 'maven-publish'
@@ -42,4 +42,15 @@ dependencies {
     implementation group: 'com.google.code.findbugs', name: 'jsr305', version: '3.0.2'
 }
 
+publishing {
+    publications {
+        create("mavenJava", MavenPublication) {
+            from components.java
+            groupId = 'com.bunq.sdk'
+            artifactId = 'sdk_java'
+            version = '1.28.0.3'
+        }
+    }
+}
+
 apply plugin: 'idea'