Add exif and image library requirement to installation.md

streamtw · web-flow · commit 367c7c08f814 · 2017-05-18T10:05:20.000+08:00
diff --git a/docs/installation.md b/docs/installation.md
@@ -1,5 +1,7 @@
 ## Requirements
  * php >= 5.4
+ * exif extension
+ * gd OR imagick (choose one only)
  * Laravel 5
  * requires [intervention/image](https://github.com/Intervention/image) (to make thumbs, crop and resize images).
 
