#2257: massive docs addition for config file

docs/source/configuration/simulation/nodes/switch.rst

@@ -0,0 +1,37 @@
+.. only:: comment
+
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
+
+.. _switch_configuration:
+
+``switch``
+==========
+
+A basic representation of a network switch within the simulation.
+
+See :py:mod:`primaite.simulator.network.hardware.nodes.network.switch.Switch`
+
+example switch
+--------------
+
+.. code-block:: yaml
+
+    nodes:
+        - ref: switch_1
+        hostname: switch_1
+        type: switch
+        num_ports: 8
+
+.. include:: common/common_node_attributes.rst
+
+.. include:: common/node_type_list.rst
+
+``num_ports``
+-------------
+
+Optional. Default value is ``8``.
+
+The number of ports the switch will have.
+
+.. |NODE| replace:: switch
+.. |NODE_TYPE| replace:: ``switch``