Add tasks

Author: tshemsedinov

README.md

@@ -1,2 +1,6 @@
-# Mixin
-Mixin behavior, structure and relations
+# Mixin behavior, structure and relations
+
+Tasks:
+- see examples
+- implement `extend(obj, ...objects)` so keys from objects will be mixed into obj only if it doesn't contain those keys
+- implement `wrap(obj, ...funcs)` so if obj contains func.name it should be wrapped