feat: add invoke method on Prop to enable Kotlin invocation usage (#35)

* Add invoke method on Prop to enable Kotlin invocation usage

* Bump and add CHANGELOG entry

* Or don't

prop-archaius/src/main/java/io/pleo/prop/archaius/ArchaiusProp.java

@@ -21,6 +21,11 @@ public T get() {
     return archaiusProperty.getValue();
   }
 
+  @Override
+  public T invoke() {
+    return get();
+  }
+
   @Override
   public String getName() {
     return archaiusProperty.getName();

prop-core/src/main/java/io/pleo/prop/core/Prop.java

@@ -19,6 +19,12 @@ public interface Prop<T> extends Supplier<T> {
    */
   String getName();
 
+  /**
+   * Kotlin convenience method to implement invocation
+   * @return the property value
+   */
+  T invoke();
+
   /**
    * Gets the time when the property was last set/changed.
    *

prop-core/src/main/java/io/pleo/prop/core/internal/LocalProp.java

@@ -24,6 +24,11 @@ public T get() {
     return supplier.get();
   }
 
+  @Override
+  public T invoke() {
+    return get();
+  }
+
   @Override
   public String getName() {
     return toString();