added man page style doc

README.md

@@ -8,6 +8,20 @@ Why is this useful?
 1. It minimizes the size of your docker images, which speeds up load times
 2. It minimizes the attack surface: if you get in the container, there is nothing there..
 
+## Synopsis
+	strip-docker-image -i image-name -t target-image-name -t [-p package | -f file] [-x expose-port] [-v] 
+			
+## Options
+	-i image-name		to strip
+	-t target-image-name	the image name of the stripped image
+	-p package		package to include from image, multiple -p allowed.
+	-f file			file to include from image, multiple -f allowed.
+	-x port			to expose.
+	-v			verbose
+
+## Description
+creates a new Docker image based on the scratch  which contains only the the source image of selected packages and files.
+
 ## Example
 The following example strips the nginx installation from the default NGiNX docker image,