Breather models sample data extension.

CityConditionsSampleData.swift

extension CityConditions {
    static func sampleData() -> CityConditions {
        let weather = Weather(timestamp: "2019-04-16T11:00:00.000Z",
                              iconCode: "01d",
                              temperature: 5,
                              humidity: 36,
                              pressure: 1015,
                              windSpeed: 9.8,
                              windDirection: 300)
        let pollution = Pollution(timestamp: "2019-04-16T08:00:00.000Z",
                                  aqiUS: 9,
                                  mainPollutantUS: "p2",
                                  aqiChina: 3,
                                  mainPollutantChina: "p2")
        let asthma = Asthma(risk: "medium",
                            probability: 63)
        return CityConditions(city: "New York",
                              weather: weather,
                              pollution: pollution,
                              asthma: asthma)
    }
}