Update README.md

Author: JulianPrieber

Diff for: README.md

@@ -1,6 +1,6 @@
 <h1 align="center">
   <br>
-  <a href="https://littlelink-custom-demo.tru.io/"><img src="https://i.imgur.com/qNe686V.png" alt="LittleLink Custom"></a>
+  <a href="https://demo.littlelink-custom.com/"><img src="https://i.imgur.com/RLKbjv4.png" alt="LittleLink Custom"></a>
 </h1>
 
 <h4 align="center">The "plug and play" approach to LittleLink</h4>
@@ -144,6 +144,7 @@ If the update contains new features like new buttons, you would have to use the
 ## Fork-Structure
 > *Fork of a fork of a fork of LittleLink...*
 <br>
+
 #### LittleLink fork-tree:
 <pre>
 LittleLink