Set RGB Value of Lights
Function:

Description: Set RGB value of lights
Parameter:
- RGB light: left front, right front, rear left, rear right, all
- RGB value:
- R: red brightness value; data type: int; range: 0~255
- G: green brightness value; data type: int; range: 0~255
- B: blue brightness value; data type: int; range: 0~255
- Return: null