Update readme

Author: Remzi1993

README.md

@@ -1,2 +1,8 @@
-# guessing_game
-Guessing game CLI app in Rust
+# Simple Guessing game
+This is a simple guessing game made with Rust programming language where the user has to guess a number between 1 and 100.
+
+## How to compile
+To compile the game, you need to have Rust installed on your machine. If you don't have it installed, you can download it here: https://www.rust-lang.org/tools/install
+
+After that you need to install a couple of things to compile winresource, see the instructions here:
+https://crates.io/crates/winresource