add instructions for custom button text

Author: finity69x2

README.md

@@ -36,6 +36,8 @@ Then to use this in a card place the following in your entity card:
 | IsOffColor | String | No | '#f44c09' | Sets the color of the 'Off' button if entity is off |
 | IsOnColor | String | No | '#43A047' | Sets the color of the 'Low' button if entity is on low |
 | ButtonInactiveColor | String | No | '#759aaa' | Sets the color of the the buttons if that selection is not "active" |
+| customOffText | String | No | 'OFF' | Sets the text of the "off" button |
+| customLowText | String | No | 'ON' | Sets the text of the "on" button |
 
 The values for the colors can be any valid color string in "HEX", "RGB" or by color name.
 
@@ -65,6 +67,12 @@ The values for the colors can be any valid color string in "HEX", "RGB" or by co
             IsOnColor: 'rgb(255, 0, 0)'
             IsOffColor: 'purple'
             ButtonInactiveColor: '#aaaaaa'
+        ## USE THIS CONFIG TO SET CUSTOM BUTTON TEXT (NOT REQUIRED TO SET "customTheme: true" TO USE THESE )
+          - type: custom:binary-control-button-row
+            name: Basement Bath Customized Button Row
+            entity: light.sengled_e11g13_03070a4c_1
+            customOnText: yay
+            customOffText: nay
             
   ```