Feat 1562 unitfix (#1662)

* added contrast and brightness units

* docs

---------

Co-authored-by: Dan Birman <[email protected]>

Author: saskiad

docs/source/components/devices.md

@@ -622,7 +622,9 @@ Description of visual display for visual stimuli
 | `viewing_distance` | `decimal.Decimal` | Viewing distance (cm)  |
 | `viewing_distance_unit` | [SizeUnit](../aind_data_schema_models/units.md#sizeunit) | Viewing distance unit  |
 | `contrast` | `Optional[int]` | Contrast (Monitor's contrast setting) |
+| `contrast_unit` | `Optional[UnitlessUnit]` | Contrast unit |
 | `brightness` | `Optional[int]` | Brightness (Monitor's brightness setting) |
+| `brightness_unit` | `Optional[UnitlessUnit]` | Brightness unit |
 | `name` | `str` | Device name  |
 | `serial_number` | `Optional[str]` | Serial number  |
 | `model` | `Optional[str]` | Model  |

src/aind_data_schema/components/devices.py

@@ -608,13 +608,15 @@ class Monitor(Device, DevicePosition):
         ge=0,
         le=100,
     )
+    contrast_unit: Optional[UnitlessUnit] = Field(default=None, title="Contrast unit")
     brightness: Optional[int] = Field(
         default=None,
         description="Monitor's brightness setting",
         title="Brightness",
         ge=0,
         le=100,
     )
+    brightness_unit: Optional[UnitlessUnit] = Field(default=None, title="Brightness unit")
 
 
 class LickSpout(Device):