Update "displaySoundButton" function to toggle sound on/off

[hattifnatt4r]

Update "displaySoundButton" to toggle sound on/off when clicked:

• Add "soundName" parameter to the function
• Create a variable "soundOn" inside the function
• Add click event to the button, to toggle soundOn
• When soundOn is true, show the button background and start the sound

Sound URL example: https://devclass-projects-public.s3.us-east-2.amazonaws.com/ambient-app--react/heavy_rain.wav
(You can see available sounds at https://devclass-projects-public.s3.us-east-2.amazonaws.com)