added a weatherApp developed using React and OpenWeatherMap Api

Author: neeraja

WeatherApp/neeraja-anil/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

WeatherApp/neeraja-anil/README.md

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+# Getting Started with Create React App
+
+This project is hosted on vercel : 
+Visit https://weather-app-react-neeraja.vercel.app/ 
+
+### Project Details
+
+This is a Weather app developed using React js and Material UI 
+Integrated OpenWeatherMap API fro current weather Data.
+On the Home screen you can search for weather using city name. The default temperature unit is in Celsius , however you can toggle it to Faranheit unit using the Icon next to search bar. You can view current weather description, wind speed, pressure, minimum and maximum temperature, sun set and sunrise time of that particular city.
+
+Apart from current weather you can view Forcast for the next 5 days also.
+
+A area chart is included for visualising Wind speed for that day. 
+
+Included react-hot-toast for toast messages.
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+add an env file with REACT_APP_API = 'YOUR API KEY FOR OPEN-WEATHER-MAP-API'
+
+