Updated documentation for marionette

Author: Drakojin

documentation/chapters/browser.md

@@ -23,6 +23,7 @@ processes.
 
 - [`ChromeFactory`](support-chrome.md)
 - [`FirefoxFactory`](support-firefox.md)
+- [`MarionetteFactory`](support-marionette.md)
 - [`InternetExplorerFactory`](support-ie.md)
 
 Each of them comes in their own support module. The Firefox's and Internet Explorer's factory implementations are optimized 

documentation/chapters/support-marionette.md

@@ -0,0 +1,28 @@
+[Home](../README.md)
+
+# Firefox Marionette Browser Factory
+The module `webtester-support-marionette` provides a default `BrowserFactory` implementation called `MarionetteFactory`.
+Marionette can drive Firefox Browser from version 47 onward but is only fully supported starting with version 48.
+
+## Default Driver Configuration
+In order to optimize testing the following properties are set when creating a `WebDriver` using the `MarionetteFactory`:
+
+- "Native Events" are disabled -> Selenium does not simulate human typing.
+- Untrusted certificates are always trusted.
+
+## Additional Service Executable
+The 'MarionetteDriver' needs an additional executable to communicate with a Firefox browser.
+It can be downloaded [here](https://github.com/mozilla/geckodriver/releases).
+Until further development you may have to rename the `geckodriver.exe` to `wires.exe` after unzipping.
+
+The path to the executable must be declared as a system or environment property named: `webdriver.gecko.driver`
+
+**For more details take a look at these links:**
+
+- https://github.com/mozilla/geckodriver
+- https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette
+
+
+# Linked Documentation
+
+- [Browser](browser.md)