Updated WPScan User Documentation (markdown)

WPScan-User-Documentation.md

@@ -4,6 +4,26 @@
 
 WPScan is a free, for non-commercial use, black box WordPress vulnerability scanner written for security professionals and blog maintainers to test the security of their sites.
 
+WPScan is written in the Ruby programming language. The first version of WPScan was released on the [16th of June 2011](https://blog.dewhurstsecurity.com/2011/06/16/introducing-wpscan-wordpress-security-scanner.html).
+
+## Installation
+
+### Ruby Gem
+
+WPScan is shipped as a Ruby gem, and can be installed with the following command:
+
+`gem install wpscan`
+
+### Docker
+
+We also support Docker. Pull the repo with:
+
+`docker pull wpscanteam/wpscan`
+
+Example Docker command to enumerate usernames:
+
+`docker run -it --rm wpscanteam/wpscan --url https://example.com/ --enumerate u`
+
 ## Enumeration Modes
 
 When enumerating the WordPress version, installed plugins or installed themes, you can use three different "modes", which are: