Update README.md

docs/README.md

 <h1 align="center">
-  <img src="../.logo.png"/><br>
+  <img src="https://github.com/wix/react-native-navigation/blob/master/.logo.png"/><br>
   React Native Navigation
 </h1>
 
 - [Chat with us](https://discord.gg/DhkZjq2)
 - [Contributing](/docs/docs/WorkingLocally.md)
 
-# Installation
-As `react-native-navigation` is a native navigation library - integrating it into your app will require editing native files. Follow the installation guides in the [documentation](https://wix.github.io/react-native-navigation/).
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