Move images to a dedicated folder

README.md

@@ -59,7 +59,7 @@ Options:
 
 Use it in combination with the [Draw.io Integration](https://marketplace.visualstudio.com/items?itemName=hediet.vscode-drawio) for VS Code to instantly visualise your stacks.
 
-![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/demo.gif)
+![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/images/demo.gif)
 
 #### Example 
 ```
@@ -94,7 +94,7 @@ Options:
 
 The HTML output uses [vis.js](https://github.com/visjs/vis-network) to generate an interactive diagram from your template.
 
-![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/demo-html.gif)
+![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/images/demo-html.gif)
 
 #### Example 
 ```
@@ -125,7 +125,7 @@ Options:
 
 Renders a simple Ascii-art diagram of your template directly in the console. Useful to gain a quick overview of smaller stacks.
 
-![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/demo-ascii.gif)
+![Demo](https://raw.githubusercontent.com/mhlabs/cfn-diagram/master/images/demo-ascii.gif)
 
 Video demo of using the `--watch` option:
 [![Demo of watch command](https://img.youtube.com/vi/2V3zimGWTcU/0.jpg)](https://www.youtube.com/watch?v=2V3zimGWTcU)