[Discuss] Support Light Rain?

By the time v1 is all out, we should discuss if we should support light rain in [getConditionClass](https://github.com/LibreWeather/libre-weather/blob/c2261a6be59a42ab78b6ca7eda441169219185ba/src/components/DailyOverview.jsx#L21) and [getConditionLabel](https://github.com/LibreWeather/libre-weather/blob/c2261a6be59a42ab78b6ca7eda441169219185ba/src/components/DailyOverview.jsx#L38)