feat: initialize crypto_clash_contract with TypeScript, Hardhat, and deployment script

- Added package.json with scripts for compiling, deploying, and testing the contract.
- Created deploy.ts script for deploying the HelloWorld contract and saving the contract address to config.json.
- Configured TypeScript with tsconfig.json for Node.js environment and ES module support.

crypto_clash_contract/hardhat.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from "hardhat/config";
+
+import dotenv from "dotenv";
+dotenv.config();
+const { API_URL = "", WALLET_PRIVATE_KEY = "" } = process.env;
+
+export default defineConfig({
+  solidity: {
+    version: "0.8.28",
+  },
+  networks: {
+    testnet: {
+      url: API_URL,
+      accounts: [WALLET_PRIVATE_KEY],
+      type: "http"
+    }
+  }
+});