Update documentation to reference PAC files

Author: benjih

docs/pages/reference/api/api.rst

@@ -366,6 +366,32 @@ Gets the upstream proxy configured for Hoverfly.
 -------------------------------------------------------------------------------------------------------------
 
 
+GET /api/v2/hoverfly/pac
+""""""""""""""""""""""""
+
+Gets the PAC file configured for Hoverfly.
+
+
+-------------------------------------------------------------------------------------------------------------
+
+
+PUT /api/v2/hoverfly/pac
+""""""""""""""""""""""""
+
+Sets the PAC file for Hoverfly.
+
+
+-------------------------------------------------------------------------------------------------------------
+
+
+DELETE /api/v2/hoverfly/pac
+""""""""""""""""""""""""
+
+Unsets the PAC file configured for Hoverfly.
+
+-------------------------------------------------------------------------------------------------------------
+
+
 GET /api/v2/cache
 """"""""""""""""""""
 Gets the requests and responses stored in the cache.

docs/pages/tutorials/advanced/behindaproxy/behindaproxy.rst

@@ -16,6 +16,17 @@ For example, if the 'upstream' proxy is running on port ``8080`` on host ``corp.
 
     hoverctl start --upstream-proxy http://corp.proxy:8080
 
+Configuring Hoverfly with a PAC file
+------------------------------------
+
+If you have a PAC file for configuring clients with the proxy set up in your environment, you can use this to configure Hoverfly.
+
+For example:
+
+.. code:: bash
+
+    hoverctl start --pac-file path/to/file.pac
+
 Upstream proxy authentication
 -----------------------------