Update README.md

HenryRLee · web-flow · commit 8c1b3857fca2 · 2020-03-10T14:24:51.000+11:00
diff --git a/README.md b/README.md
@@ -1,7 +1,11 @@
 # GitTutorial
 A tutorial of git and source code management
 
-## Build the slide from the source code
+## Slides
+
+https://propicsignifi.github.io/GitTutorial/
+
+## Build the slides from the source code
 
 ```
 npm install -g @marp-team/marp-cli
