Function Selectable

Selectable(config: SelectableConfig): (cls: any, key: string) => void
Decorator that marks a property as selectable with a user-friendly label and a list of choices.
Parameters
- config: SelectableConfig
  Configuration object containing the label and choices for this property
Returns (cls: any, key: string) => void
Example
```
class MyChit extends Chit {
  @Selectable({
    label: "Difficulty Level",
    choices: [
      { id: "easy", label: "Easy Mode" },
      { id: "medium", label: "Medium Mode" },
      { id: "hard", label: "Hard Mode" }
    ]
  })
  public difficulty: string = "medium";
}
```
- Defined in utilities/Annotations.ts:245