Merge pull request #3 from khagankhan/badges

Add badges to readme

Author: khagankhan

README.md

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 # Trait Requirement Reduction
 
+[![Crates.io](https://img.shields.io/crates/v/trait-winnower.svg)](https://crates.io/crates/trait-winnower)
+[![Documentation](https://docs.rs/trait-winnower/badge.svg)](https://docs.rs/trait-winnower/)
+[![Codecov](https://codecov.io/github/AFLplusplus/trait-winnower/coverage.svg?branch=main)](https://codecov.io/gh/AFLplusplus/trait-winnower)
+[![Dependency status](https://deps.rs/repo/github/AFLplusplus/trait-winnower/status.svg)](https://deps.rs/repo/github/AFLplusplus/trait-winnower)
+
+
 ## Overview
 This project aims to reduce the number of trait requirements in Rust code.