docs: fix logo in npm README

Author: jsamr

README.md

@@ -65,7 +65,7 @@
 </p>
 <br/>
 <p align="center">
-    <a href="https://meliorence.github.io/react-native-render-html/"><img width="124" height="124" src="assets/logo.svg"></a>
+    <a href="https://meliorence.github.io/react-native-render-html/"><img width="124" height="124" src="https://github.com/meliorence/react-native-render-html/raw/master/assets/logo.svg"></a>
 </p>
 <h1 align="center">react-native-render-html</h1>
 <p align="center">