<master> Updated readme

Author: devindi

README.md

@@ -1,2 +1,70 @@
 # mapper-generator
 An annotation processor for generating bean mappers
+
+## IDE support
+This annotation processor is supported by Android Studio out-of-box.  
+You have to set-up processor and generated code usage in your IntelliJ IDEA project.
+
+
+## Usage
+This processor generates mapper from getters to constructor args.
+
+```java
+//gradle deps (don't forget to apply 'net.ltgt.apt' or other annotation plugin):
+dependencies {
+    compile 'com.devindi.mapper:library:0.1'
+    apt 'com.devindi.mapper:processor:0.1.1'
+}
+
+//Source:   
+public class PersonDto {
+
+    private String name;
+    private int age;
+
+    //constructor, setters or other methods
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
+
+//Target:
+public class Person {
+
+    private final String name;
+    private final int age;
+
+    public Person(int age, String name) {
+        this.name = name;
+        this.age = age;
+    }
+}
+
+//Mapper definition:
+@Mapper
+public interface PersonMapper {
+    Person toModel(PersonDto dto);
+}
+
+//Generated code:
+public class PersonMapperImpl implements PersonMapper {
+  @Override
+  public Person toModel(PersonDto dto) {
+    return new com.example.Person(dto.getAge(),dto.getName());
+  }
+}
+```
+
+
+## ToDo list
+
+* Type converters (String <-> Long, Double <-> Float, custom converters)
+* Collection mapping (List<Source> -> List<Target>)
+* Recursive mapping 
+
+