Missing button colors information

[RenatoExpert]

We miss that information on dev docs

https://github.com/RenatoExpert/shuei-client/blob/a57679f0ecc6e036dd1beac1bc07dc1c3d427089/README.md?plain=1#L12-L20

### States and their colors and labels 
 Peripherals may be `allowed` or `disabled` by __execution module__, it may also be `in-use` or `asleep` second to __sensor module__. 
 We can make a color representation for each of those states, as well as tell them on `semanticLabel` (for accessibility). 
 | Label | Color | Execution | Sensor | Alarm | 
 | ------- | --------- | -------------  | ---------- | ---------| 
 | Active | Green | Allowed | in-use | --- | 
 | Standby | Yellow | Allowed | asleep | --- | 
 | Rebel | Red | Disabled | in-use | Error | 
 | Standby | Gray | Disabled | asleep | --- |