fix(rgb): add missing Kconfig docs
@@ -36,10 +36,16 @@ If your board or shield does not have RGB underglow configured, refer to [Adding
There are various Kconfig options used to configure the RGB underglow feature. These can all be set in the `.conf` file.
| Option | Description | Default |
-| ---------------------------- | ---------------------------------------------- | ------- |
-| `ZMK_RGB_UNDERGLOW_HUE_STEP` | Hue step in degrees of 360 used by RGB actions | `10` |
-| `ZMK_RGB_UNDERGLOW_SAT_STEP` | Saturation step in percent used by RGB actions | `10` |
-| `ZMK_RGB_UNDERGLOW_BRT_STEP` | Brightness step in percent used by RGB actions | `10` |
+|-------------------------------|------------------------------------------------|---------|
+| `ZMK_RGB_UNDERGLOW_HUE_STEP` | Hue step in degrees of 360 used by RGB actions | 10 |
+| `ZMK_RGB_UNDERGLOW_SAT_STEP` | Saturation step in percent used by RGB actions | 10 |
+| `ZMK_RGB_UNDERGLOW_BRT_STEP` | Brightness step in percent used by RGB actions | 10 |
+| `ZMK_RGB_UNDERGLOW_HUE_START` | Default hue 0-359 in degrees | 0 |
+| `ZMK_RGB_UNDERGLOW_SAT_START` | Default saturation 0-100 in percent | 100 |
+| `ZMK_RGB_UNDERGLOW_BRT_START` | Default brightness 0-100 in percent | 100 |
+| `ZMK_RGB_UNDERGLOW_SPD_START` | Default effect speed 1-5 | 3 |
+| `ZMK_RGB_UNDERGLOW_EFF_START` | Default effect integer from the effect enum | 0 |
+| `ZMK_RGB_UNDERGLOW_ON_START` | Default on state | y |
## Adding RGB Underglow to a Board
