Add UserService

wrapper/src/main/java/wekan/wrapper/api/UserService.java

@@ -0,0 +1,29 @@
+package wekan.wrapper.api;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+import retrofit2.http.Path;
+import wekan.wrapper.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+
+    /**
+     * Get all users.
+     *
+     * @return the list with all users
+     */
+    @GET("api/users")
+    Call<List<User>>  getAllUser();
+
+    /**
+     * Get user information
+     *
+     * @param userId    ID user
+     * @return user information
+     */
+    @GET("api/users/{user}")
+    Call<User> getUser(@Path("user") String userId);
+
+}