update readme.md

examples/hello_world/readme.md

@@ -2,4 +2,4 @@
 
 See [`main.nim`](https://github.com/Ethosa/nodesnim/blob/master/examples/hello_world/main.nim) file.
 
-[![gif here]](https://github.com/Ethosa/nodesnim/blob/master/examples/hello_world/one.gif)
+![gif here](https://github.com/Ethosa/nodesnim/blob/master/examples/hello_world/one.gif)