Added instructions in readme.

README.md

@@ -7,6 +7,23 @@ This fork (Minigal Nano SSE) is based on Thomas Rybak's version which seems to h
 
 This fork holds some improvements, like thumbnail cache and folder/image description.
 
+Installation
+============
+
+* Place all the files in a directory on your server.
+* Create the "photos" subdirectory.
+
+Adding your photos
+==================
+
+* Simply add your photos to the "photos" directory.
+* You can create as many subdirectories as you want.
+* To add a folder comment, simply create "comment.html" file in the folder.
+* To add a title and caption on an image, create a .html files with: title::caption.
+  Example: For: "myimage.jpg", create the file "myimage.jpg.html" containing:
+         My cat::My cat <i>loves</i> to roll on the floor.
+  The title and caption will be displayed when clicking on the image.
+
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 MiniGal Nano SSE by Sébastien SAUVAGE is licensed under a Creative Commons Attribution-Share Alike.