Add docs for H-Bridge Switch (#4233)

* Add docs for H-Bridge Switch

* optimistic mode

* Update hbridge.rst

---------

Co-authored-by: Keith Burzinski <kbx81x@gmail.com>

components/switch/hbridge.rst

@@ -0,0 +1,46 @@
+H-bridge Switch
+===============
+
+.. seo::
+    :description: Instructions for setting up H-Bridge controlled switches (or relays).
+    :image: hbridge-relay.jpg
+
+The ``hbridge`` switch platform allows you to drive an *h-bridge* controlled latching relay.
+
+.. figure:: images/hbridge-relay.png
+    :align: center
+    :width: 50.0%
+
+    Omron G6CK-2117P relay module.
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    switch:
+      - platform: hbridge
+        id: my_relay
+        name: "Relay"
+        on_pin: GPIOXX
+        off_pin: GPIOXX
+        pulse_length: 50ms
+        wait_time: 50ms
+
+Configuration variables:
+------------------------
+
+- **on_pin** (**Required**, :ref:`config-pin_schema`): The GPIO pin to pulse to turn on the switch.
+- **off_pin** (**Required**, :ref:`config-pin_schema`): The GPIO pin to pulse to turn off the switch.
+- **pulse_length** (*Optional*, :ref:`config-time`): The length in milliseconds of the pulse sent on ``on_pin`` and ``off_pin`` to change switch state. Defaults to ``100 ms``.
+- **wait_time** (*Optional*, :ref:`config-time`): The time in milliseconds to delay between pulses on ``off_pin`` and ``on_pin``. Defaults to no delay.
+- **optimistic** (*optional*, boolean): Whether to operate in optimistic mode - when in this mode,
+  any command sent to the switch will immediately update the reported state. Defaults to ``false``, and the reported state updates only at the end of the pulse.
+
+- All other options from :ref:`Switch Component <config-switch>`.
+
+See Also
+--------
+
+- :doc:`/components/output/index`
+- :doc:`/components/switch/index`
+- :apiref:`hbridge/switch/hbridge_switch.h`
+- :ghedit:`Edit`

index.rst

@@ -1047,6 +1047,7 @@ Switch Components
     Factory Reset Switch, components/switch/factory_reset, restart-alert.svg, dark-invert
     Generic Output Switch, components/switch/output, upload.svg, dark-invert
     GPIO Switch, components/switch/gpio, gpio.svg
+    H-bridge Switch, components/switch/hbridge, hbridge-relay.jpg
     LVGL Widget, components/switch/lvgl, lvgl_c_swi.png
     Modbus Switch, components/switch/modbus_controller, modbus.png
     Nextion Switch, components/switch/nextion, nextion.jpg