#2257: massive docs addition for config file

docs/source/configuration/game.rst

@@ -6,3 +6,41 @@
 ``game``
 ========
 This section defines high-level settings that apply across the game, currently it's used to help shape the action and observation spaces by restricting which ports and internet protocols should be considered. Here, users can also set the maximum number of steps in an episode.
+
+``game`` hierarchy
+------------------
+
+.. code-block:: yaml
+
+    game:
+        max_episode_length: 256
+        ports:
+            - ARP
+            - DNS
+            - HTTP
+            - POSTGRES_SERVER
+        protocols:
+            - ICMP
+            - TCP
+            - UDP
+
+``max_episode_length``
+----------------------
+
+Optional. Default value is ``256``.
+
+The maximum number of episodes a Reinforcement Learning agent(s) can be trained for.
+
+``ports``
+---------
+
+A list of ports that the Reinforcement Learning agent(s) are able to see in the observation space.
+
+See :ref:`List of Ports <List of Ports>` for a list of ports.
+
+``protocols``
+-------------
+
+A list of protocols that the Reinforcement Learning agent(s) are able to see in the observation space.
+
+See :ref:`List of IPProtocols <List of IPProtocols>` for a list of protocols.