Add sample image

For showcase
il y a 2 ans · 77f48617db
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # real-worldgen

 ![Sample Output](./docs/img/sample-output.png)

 Generate [Super Mario War](http://supermariowar.supersanctuary.net/) worlds from real-world data.

 ## Requirements
--- a/docs/img/sample-output.png
+++ b/docs/img/sample-output.png