Add "WeatherImpactApi" API

[Sanyam-jhingan]

Format: openapi
Official: true
Url: https://weatherimpactapi.netlify.app/WeatherImpactAPI.openapi.json
Name: WeatherImpactApi
Category: weather
Logo: https://www.flickr.com/photos/203153526@N04/54675167001/in/dateposted-public/