Update new logo

***NO_CI***

Author: Ellerbach

README.md

@@ -1,7 +1,7 @@
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=nanoframework_lib-nanoFramework.Graphics&metric=alert_status)](https://sonarcloud.io/dashboard?id=nanoframework_lib-nanoFramework.Graphics) [![Reliability Rating](https://sonarcloud.io/api/project_badges/measure?project=nanoframework_lib-nanoFramework.Graphics&metric=reliability_rating)](https://sonarcloud.io/dashboard?id=nanoframework_lib-nanoFramework.Graphics) [![License](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE) [![NuGet](https://img.shields.io/nuget/dt/nanoFramework.nanoFramework.Graphics.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Graphics/) [![#yourfirstpr](https://img.shields.io/badge/first--timers--only-friendly-blue.svg)](https://github.com/nanoframework/Home/blob/master/CONTRIBUTING.md)
 [![Discord](https://img.shields.io/discord/478725473862549535.svg?logo=discord&logoColor=white&label=Discord&color=7289DA)](https://discord.gg/gCyBu8T)
 
-![nanoFramework logo](https://github.com/nanoframework/Home/blob/master/resources/logo/nanoFramework-repo-logo.png)
+![nanoFramework logo](https://github.com/nanoframework/Home/blob/main/resources/logo/nanoFramework-repo-logo.png)
 
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