cleaned up existing data in expected.txt,input.txt,output.txt and added seperate files for contests

improved code readability and added a snippets file for vscode

added some extra utilities like binarysearch, all(x) in template

added a comparator function in template for easier time

Add initial README with project overview

added Helmets in night light problem

added problem Raspberry

Removed unneccesary junk files

Initial commit: Competitive Programming setup with IO redirection