Add CONTRIBUTION.md. Some correction in README.md. Edit command to install lib.

Author: Tim-ats-d

CONTRIBUTING.md

@@ -0,0 +1,72 @@
+
+# Contributing
+
+## Setup your development environment
+
+You need:
+* `Python3.6`: you can install it by following [Python3's documentation](https://www.python.org/downloads/).
+* `curses`: available in standard library of `Python` but it doesn't work out-of-the-box on Windows. See [this](https://www.devdungeon.com/content/curses-windows-python) explanations to install `curses` on Windows.
+
+## Branches
+
+* main : stable releases.
+
+To fix a minor problem or add new features create a new branch in this form: `username-dev`.
+Please test your code with `Python3.6` version before **pull request** to be sure not to break compatability.
+
+## Download
+
+Download projet:
+```bash
+git clone https://github.com/Tim-ats-d/Visual-dialog
+```
+
+Install Visual-dialog using `pip`:
+```bash
+python3 -m pip install git+git://github.com/Tim-ats-d/Visual-dialog
+```
+or update lib to the latest version:
+```bash
+python3 -m pip install git+git://github.com/Tim-ats-d/Visual-dialog --upgrade
+```
+The list of versions and their changelogs can be found [here](https://github.com/Tim-ats-d/Visual-dialog/releases/).
+
+## Repository Structure
+
+The following snippet describes Visual-dialog's repository structure.
+
+```text
+.
+├── .github/
+|   Contains Github specific files such as actions definitions and issue templates.
+│
+├── doc/
+|   Contains documentation.
+│   │
+│   ├── examples/
+│   │   Contains several examples of how to use Visual-dialog.
+│   │
+│   └── documentation.md
+│       Documentation of public API (coming soon).
+│
+├── visualdialog/
+|   Source for Visual-dialog's library.
+│   │
+|   ├── __init__.py
+│   │
+|   └── core.py
+|       Contains Visual-dialog's core functionnalities.
+│
+├── LICENSE
+│
+├── CONTRIBUTING.md
+│   This document.
+│
+├── MANIFEST.in
+│   Contains list of non Python file.
+│
+├── README.md
+│
+└── setup.py
+    Installation of the library.
+```

README.md

@@ -8,7 +8,7 @@
   <a href="#features">Features</a> •
   <a href="#installation">Installation</a> •
   <a href="#documentation">Documentation</a> •
-  <a href="#quick-start ">Usage</a> •
+  <a href="#quick-start">Quick start</a> •
   <a href="#contributing">Contributing</a> •
   <a href="#license">License</a>
 </p>
@@ -28,7 +28,10 @@
 ## Installation
 
 ### Using pip
-`pip install git+git://github.com/Tim-ats-d/Visual-dialog`
+
+```bash
+python3 -m pip install git+git://github.com/Tim-ats-d/Visual-dialog
+```
 (The lib is not yet available on **pypy**).
 
 ### Requirements

build/lib/visualdialog/__init__.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+
+"""
+A librairie which provides class and functions to make easier dialog box in terminal.
+"""
+
+__version__ = 0.6
+
+from .core import DialogBox