✨ Add logo and contributor section

Add logo and contributor section

README.md

@@ -1,4 +1,12 @@
-<h1 align="center">How to promote my open-source? 🚀</h1>
+<h1 align="center">Open source project promotion cheat sheet</h1>
+
+---
+
+<p align="center">
+    <img alt="Git" src="./imgs/zoss-logo.png">
+</p>
+
+---
 
 > This cheat sheet summarize important steps you should follow to promote your open-source project in the best conditions.
 
@@ -7,6 +15,8 @@ List of availables languages:
 - [English](./README.md)
 - [Français](./README-fr.md)
 
+Your language is not here or you want to improve this document ? Contributors are [welcome](./CONTRIBUTING.md) !
+
 <br />
 
 ## 1. 🎢 Preparation step
@@ -45,6 +55,7 @@ List of availables languages:
 <p>
 
 > Vistors will want to quickly understand the purpose of your project, how it works and how to use it. Providing a demo is the best way to satisfy users. It could be:
+
 - An animated GIF demonstrating how your project works
 - A link to a live demo
 
@@ -141,7 +152,6 @@ List of availables languages:
 </p>
 </details>
 
-
 <details>
 <summary>🗑 Don't spam platforms with your promotion</summary>
 <p>
@@ -198,6 +208,7 @@ List of availables languages:
 <p>
 
 > Github issues are not always the best way to communicate with your users. Use chat platforms to discuss with them:
+
 - [Discord](https://discordapp.com)
 - [Slack](https://slack.com)
 - [Gitter](https://gitter.im/)