Update Readme

README.md

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 # Fixture-Generator
-Random Matches Fixture Generator
+![foot-ball-icons](https://user-images.githubusercontent.com/6486741/107073907-dabb2d80-67df-11eb-8382-30d4431732b5.png)
+
+The matches **calendar generator** you have been looking for
+
+## Overview
+Fixture-Generator is a fancy, quick and random generator of matches you can import in your JS code to create a football league, basketball tournament or any other sport in which all the partecipants have to challenge each other. 
+
+Under the hood is driven by the [Round-robin](https://en.wikipedia.org/wiki/Round-robin_tournament) alghorithm which guarantees thah each contestant meets all other contestants in turn.
+
+## Usage
+
+### NPM
+- Package page [fixture-generator](https://www.npmjs.com/package/fixture-generator)
+- Run the command
+```
+ npm install fixture-generator
+```
+
+
+### Manual integration
+- Download the source code [from Github](https://github.com/ndPPPhz/Fixture-Generator/archive/main.zip)
+- Import it into your project
+```javascript
+const { generateRandomFixture } = require('.roundrobin.js')
+
+/*
+ @param {Array} array The array containing all the attendees
+ @param {Number} n The number of tournaments that needs to be randomly generated 
+*/
+const tournaments = generateRandomFixture([1,2,3,4], 2)
+
+console.log(tournaments)
+
+/*
+ [
+ [
+ {
+ "MatchDay 0": [
+ {
+ teamA: 1,
+ teamB: 3,
+ },
+ {
+ teamA: 2,
+ teamB: 4,
+ },
+ ],
+ },
+ {
+ "MatchDay 1": [
+ {
+ teamA: 1,
+ teamB: 2,
+ },
+ {
+ teamA: 4,
+ teamB: 3,
+ },
+ ],
+ },
+ {
+ "MatchDay 2": [
+ {
+ teamA: 1,
+ teamB: 4,
+ },
+ {
+ teamA: 3,
+ teamB: 2,
+ },
+ ],
+ },
+ ],
+ [ ...... ]
+*/
+
+```
+
+
+## License
+
+[![License](http://img.shields.io/:license-mit-blue.svg?style=flat-square)](http://badges.mit-license.org)
+
+**[MIT license](http://opensource.org/licenses/mit-license.php)**
+- Copyright 2020 © Annino De Petra