update readme

CONTRIBUTORS.md

@@ -5,11 +5,4 @@ In contributing order
 
   * Author and maintainer
   * Most features development
-
-
-* **[Hoang Hiep](https://github.com/hoanghiephui)**
-
-  * Port the library to RxJava2
-
-
-
+

README.md

@@ -1,8 +1,13 @@
 ## About
 
-Store2Store simplify the synchronization between storages. 
+Store2Store simplify the synchronization between Store of datas. 
 For instance, you can easily synchronize a REST API with a local Realm datastore.
 
+**This is the rxJava2 implementation.** 
+
+*If you want to use a rxJava1 version, please use the 1.x.x tags (API is different).*
+
+
 ## Installation with gradle
 
 ```
@@ -17,21 +22,42 @@ allprojects {
 
 ```
 # app/build.gradle file
-compile 'com.github.playmoweb:store2store:<TAG>'
+compile 'com.github.playmoweb:store2store:3.0.0'
 ```
 
 
 ## Create a store or use an existing one
 
-You can create your own store implementing AbstractService : 
+You can create your own store implementing StoreService : 
 
 ```java
-public class MyStoreService<T> extends AbstractService<T> {
-    ...
+public class MyStore<T> extends StoreService<T> {
+    public MyStore(Class<T> clazz) {
+        super(clazz, new MyStoreDao());
+    }
+
+    // internal class for the DAO  
+    private class MyStoreDao extends StoreDao<T> {
+        // implements all methods of the abstract class you can need (some methods needs other to work)
+    }
+}
+```
+
+## Sync your store to another one
+
+```
+public class MyConcreteModelStore extends MyStore<MyModel> {
+    public MyConcreteModelStore(){
+        super(MyModel.class);
+        this.syncWith(new MemoryStore()); // eg: sync with a newly created memoryStore
+        // you can inject a store with dagger and syncWith() here too :)
+    }
+    
+    // Here you just have to implements the methods you need 
 }
 ```
 
-### Existing implementations
+## Existing implementations
 
 - Realm : https://github.com/playmoweb/store2realm