Add example with custom task in one and separate files

22-custom-task-in-buildSrc/build.gradle

@@ -0,0 +1,10 @@
+apply plugin: 'groovy'
+
+import com.ysoft.greeting.GreetingTask
+
+task hello(type: GreetingTask)
+
+// Customize the greeting
+task greeting(type: GreetingTask) {
+    greeting = 'greetings from Brno'
+}