Command line documentation

README.md

@@ -18,6 +18,18 @@ then create a new document
     doc = Govspeak::Document.new "^Test^"
     puts doc.to_html
 
+or alternatively, run it from the command line
+
+    $ govspeak "render-me"
+    $ govspeak --file render-me.md
+    $ echo "render-me" | govspeak
+
+options can be passed in through `--options` as a string of JSON or a file
+of JSON can be passed in as `--options-file options.json`.
+
+if installed via bundler prefix commands with bundle exec eg `$ bundle exec govspeak "render-me"`
+
+
 # Extensions
 
 In addition to the [standard Markdown syntax](http://daringfireball.net/projects/markdown/syntax "Markdown syntax"), we have added our own extensions.