Add responsiveness to logo

Added responsiveness to image logo based on device width (set at 90% of device width, which can be changed as per requirement)

Author: Anirban166

README.md

@@ -1,5 +1,5 @@
-<a href="https://www.rust-lang.org/"> 
-<img height = "50" src = "https://img.shields.io/badge/Rust-Programming%20Language-black?style=flat&logo=rust" alt = "The Rust Programming Language">
+<a href = "https://www.rust-lang.org/"> 
+<img width = "90%" height = "auto" src = "https://img.shields.io/badge/Rust-Programming%20Language-black?style=flat&logo=rust" alt = "The Rust Programming Language">
 </a>
 
 This is the main source code repository for [Rust]. It contains the compiler,