fix: snippets and step 3 (#771)

Author: nhussein11

develop/smart-contracts/libraries/ethers-js.md

@@ -161,23 +161,23 @@ You can create a `deploy.js` script in the root of your project to achieve this.
     ```js title="scripts/deploy.js"
     --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:7:15'
     ```
-r2 
+ 
 3. Set up functions to read contract artifacts:
 
     ```js title="scripts/deploy.js"
-    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:17:45'
+    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:17:48'
     ```
 
 4. Create the main deployment function:
 
     ```js title="scripts/deploy.js"
-    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:47:82'
+    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:49:85'
     ```
 
 5. Configure and execute the deployment:
 
     ```js title="scripts/deploy.js"
-    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:84:92'
+    --8<-- 'code/develop/smart-contracts/evm-toolkit/ethers-js/deploy.js:87:95'
     ```
 
     !!! note

llms.txt

@@ -9487,7 +9487,7 @@ const createProvider = (rpcUrl, chainId, chainName) => {
   return provider;
 };
     ```
-r2 
+ 
 3. Set up functions to read contract artifacts:
 
     ```js title="scripts/deploy.js"
@@ -9519,14 +9519,15 @@ const getByteCode = (contractName) => {
       `Could not find bytecode for contract ${contractName}:`,
       error.message,
     );
+    throw error;
+  }
+};
     ```
 
 4. Create the main deployment function:
 
     ```js title="scripts/deploy.js"
-    };
-
-const deployContract = async (contractName, mnemonic, providerConfig) => {
+    const deployContract = async (contractName, mnemonic, providerConfig) => {
   console.log(`Deploying ${contractName}...`);
 
   try {
@@ -9559,18 +9560,22 @@ const deployContract = async (contractName, mnemonic, providerConfig) => {
     addresses[contractName] = address;
     writeFileSync(addressesFile, JSON.stringify(addresses, null, 2), 'utf8');
   } catch (error) {
+    console.error(`Failed to deploy contract ${contractName}:`, error);
+  }
+};
     ```
 
 5. Configure and execute the deployment:
 
     ```js title="scripts/deploy.js"
-    };
-
-const providerConfig = {
-  rpc: 'https://testnet-passet-hub-eth-rpc.polkadot.io',
+    rpc: 'https://testnet-passet-hub-eth-rpc.polkadot.io',
   chainId: 420420422,
   name: 'polkadot-hub-testnet',
 };
+
+const mnemonic = 'INSERT_MNEMONIC';
+
+deployContract('Storage', mnemonic, providerConfig);
     ```
 
     !!! note