docs for reloading json

docs/features/configuration.rst

@@ -146,6 +146,16 @@ I guess it means if you want to use Ocelot to its fullest you take on Consul as
 
 This feature has a 3 second ttl cache before making a new request to your local consul agent.
 
+Reload JSON config on change
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Ocelot supports reloading the json configuration file on change. e.g. the following will recreate Ocelots internal configuration when the ocelot.json file is updated
+manully.
+
+.. code-block:: json
+
+    config.AddJsonFile("ocelot.json", optional: false, reloadOnChange: true);
+
 Configuration Key
 -----------------