Update buildfiles for jitpack

Author: mareklangiewicz

build.gradle

@@ -4,8 +4,8 @@ buildscript {
         kotlin_version = '1.4.20'
     }
     ext.myintent_pkg = "pl.mareklangiewicz.myintent"
-    ext.myintent_name = "1.0.9-alpha"
-    ext.myintent_code = 9
+    ext.myintent_name = "1.0.10-alpha"
+    ext.myintent_code = 10
 
     repositories {
         google()

pue/build.gradle

@@ -1,8 +1,11 @@
 plugins {
     id 'java-library'
     id 'kotlin'
+    id 'maven'
 }
 
+group='com.github.langara'
+
 java {
     sourceCompatibility = JavaVersion.VERSION_1_7
     targetCompatibility = JavaVersion.VERSION_1_7
@@ -12,4 +15,14 @@ dependencies {
     implementation Deps.kotlinStdlib
     implementation Deps.junit4
     implementation Deps.googleTruth
-}
+}
+
+// build a jar with source files
+task sourcesJar(type: Jar) {
+    from sourceSets.main.java.srcDirs
+    classifier = 'sources'
+}
+
+artifacts {
+    archives sourcesJar
+}