change readme

Author: rezamobaraki

README.md

@@ -2,10 +2,11 @@
 
 ## Table of contents
 
-* [General info](#general-info)
+* [General info](#General-info)
 * [Attention](#Attention)
-* [Technologies](#technologies)
-* [Setup](#setup)
+* [Technologies](#Technologies)
+* [Help](#Help)
+* [Setup](#Setup)
 
 ## General info
 
@@ -24,6 +25,68 @@ Project is created with:
 
 * Python: 3.6^
 
+## Help
+
+In this repository we work on 3 type on **design patterns**
+
+* Creational => (Singleton , Factory , Abstract Factory , Prototype)
+* Structural => (Adapter , Decorator , Proxy , Composite)
+* Behavioral => (Observer , State , Strategy , Chain of responsibility , Template method)
+
+The tree structure of these three pattern designs is as follows
+
+```shell
+DesignPattern git:(master) tree
+```
+```markdown
+.
+├── README.md
+├── __pycache__
+│   └── abstract_factory.cpython-39.pyc
+├── abstract_factory.py
+├── abstract_factory2.py
+├── abstract_factory3.py
+├── adapter.py
+├── adapter2.py
+├── builder.py
+├── chain_of_responsibility.py
+├── composit.py
+├── decorator.py
+├── decorator2.py
+├── facade.py
+├── factory.py
+├── factory2.py
+├── iterator.py
+├── observer
+│   ├── __init__.py
+│   ├── __pycache__
+│   │   ├── __init__.cpython-39.pyc
+│   │   ├── decorator.cpython-39.pyc
+│   │   ├── notification.cpython-39.pyc
+│   │   └── shop.cpython-39.pyc
+│   ├── decorator.py
+│   ├── main.py
+│   ├── notification.py
+│   └── shop.py
+├── observer2.py
+├── prototype.py
+├── prototype2.py
+├── proxy.py
+├── proxy2.py
+├── proxy_dice.py
+├── proxy_lazy.py
+├── singleton.py
+├── singleton2.py
+├── state.py
+├── state2.py
+├── strategy.py
+├── strategy3.py
+├── strategy_2.py
+└── template_method.py
+
+3 directories, 40 files
+```
+
 ## Setup
 
 To run this project, install it locally using git-clone: