[gp8403] Add gp8413 (15 bits) DAC model (#4415)

* Add docs

* Fix typo

* Update gp8403.md

* Update content/components/output/gp8403.md

* Update content/components/output/gp8403.md

---------

Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>

Author: SeByDocKy

content/components/output/gp8403.md

@@ -7,20 +7,23 @@ params:
     image: gp8403.svg
 ---
 
-The `gp8403` is a 2-channel DAC output module. It requires an {{< docref "/components/i2c" >}} to be setup.
+The ``gp8403`` (12-bit) and ``gp8413`` (15-bit) are 2-channel DAC output modules respectively. They
+require an {{< docref "/components/i2c" >}} to be setup.
 
 ## Component/Hub
 
 ```yaml
 gp8403:
   id: my_gp8403
   voltage: 5V
+  model: GP8403
 ```
 
 Configuration variables:
 
 - **id** (*Optional*, [ID](#config-id)): Manually specify the ID used for code generation.
 - **voltage** (**Required**, voltage): The output voltage range of the DAC. Must be one of `5V` or `10V`.
+- **model** (*Optional*, enum): GP8403 for the 12 bit model and GP8413 for the 15 bit model. Defaults to GP8403.
 
 ## Output
 
@@ -41,7 +44,6 @@ Configuration variables:
 - **id** (*Optional*, [ID](#config-id)): Manually specify the ID used for code generation.
 - **gp8403_id** (*Optional*, [ID](#config-id)): The ID of the GP8403 component.
   Defaults to the only GP8403 component if there is only one.
-
 - **channel** (**Required**, int): The channel of the GP8403 to use. Must be `0` or `1`.
 - All other options from [Base Output Configuration](#config-output).