update readme

Author: jameslego-ctrl

README.md

@@ -21,6 +21,7 @@ Players join by paying an entrance fee, and winners are selected at fixed interv
     - [**DeployRaffle.s.sol**](#deployrafflessol)
     - [**interactions.s.sol**](#interactionsssol)
   - [Installation](#installation)
+  - [THE DEMO DEPLOYED CONTRACT ON SEPOLIA](#the-demo-deployed-contract-on-sepolia)
 
 ---
 
@@ -134,10 +135,19 @@ Includes:
 ## Installation
 
 **Prerequisites:**
+
 - [Foundry](https://book.getfoundry.sh/) installed.
 - Node.js (optional, if integrating frontend).
 - RPC URLs for Sepolia (Alchemy/Infura/etc.).
 - LINK tokens & VRF subscription for testnet.
+- git clone this repo and you will be ready to work with it
 
 ---
 
+## THE DEMO DEPLOYED CONTRACT ON SEPOLIA 
+ This is a link to the deployed version of this contract 
+ in sepolia: (https://sepolia.etherscan.io/address/0x0e92EA6f1E8Af8dBF12C94e8AB1fB2c7a93b4A83#code)
+
+ Contract address : 0x0e92EA6f1E8Af8dBF12C94e8AB1fB2c7a93b4A83
+
+ [Sepolia Etherscan] : (https://sepolia.etherscan.io)