Merge pull request #165 from Developer-DAO/fix/lesson-4-on-mobile

Ensure snippet so it doesn't break the mobile view

Author: briangershon

lessons/projects/4.mdx

@@ -186,13 +186,13 @@ with that of your contract.
 
 For example, since our contract is using Solidity `0.8.12`:
 
-```
-require("@nomicfoundation/hardhat-toolbox");
-require('dotenv').config();
+```javascript
+require('@nomicfoundation/hardhat-toolbox')
+require('dotenv').config()
 
 module.exports = {
-  solidity: "0.8.12",
-};
+  solidity: '0.8.12',
+}
 ```
 
 ## What do we want to test on our TierNFT contract?