README: Add image for render to HTML.

janbarasek · web-flow · commit 25b7a65288e8 · 2021-03-30T20:35:16.000+02:00
diff --git a/README.md b/README.md
@@ -8,6 +8,10 @@ Example
 
 ![Default theme](doc/simple-diff.png)
 
+Diff can be rendered to HTML (with native method `SimpleDiff::renderDiff($diff)`:
+
+![Default theme](doc/diff-to-html.png)
+
 Idea
 ----
 
