POST http://localhost:3000/lights
{
 "on": true,
 "brightness": 200
}

POST http://localhost:3000/lights
[Options]
delay: 2s
{
 "on": false
}

POST http://localhost:3000/lights
[Options]
delay: 2s
{
 "on": true
}

POST http://localhost:3000/lights
[Options]
delay: 2s
{
 "on": true,
 "brightness": 140
}

POST http://localhost:3000/lights
[Options]
delay: 2s
{
 "on": true,
 "brightness": 120
}

POST http://localhost:3000/lights
[Options]
delay: 2s
{
 "on": true,
 "brightness": 100
}