Increase haze weather and cloudy weather

Haze weather and cloudy weather are very common in real life, but minecraft does not have these two weather, I think we should add these two weather, cloudy days will last for a long time at dusk, 20 to 40 minutes, haze weather, the player's visibility will decrease, but the handheld light source square can disperse the haze to a certain extent. Where there are trees, the player's visibility will be larger and clearer