Feature: Added Weather App using React js and openweathermap api

[NilanjanPramanik]

Description

This PR added Weather App feature . This is a beginner friendly app to make. Technology: React js , API: openweathermap api

Issue

Fixes #20

Type of change

• [ ] Bug fix
• [x] New Project

Checklist:

• [x] I have included a REAME file for my Project (not for Bug fix)
• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have followed the Contributing Guidelines

[prodigyinfotech]

Redo the entire readme to be relevant for the Project

[NilanjanPramanik]

Redo the entire readme to be relevant for the Project

Okk sure

[NilanjanPramanik]

@prodigyinfotech sir I have created my project guide documentation in Readme.md file..