<body> <noscript>You need to enable JavaScript to run this app.</noscript> <divid="root"></div> ...
Paste the <script> section in the above <body> section, like following
<body> <noscript>You need to enable JavaScript to run this app.</noscript> <divid="root"></div> <script> CONTRACT_ADDRESS="0xCA127e07Ce57c78eF0C739F268A437e76c66e0F1"LOGIC_ADDRESS="0xCA127e07Ce57c78eF0C739F268A437e76c66e0F1"CHAINID=5 </script> <scriptsrc="https://catchoncdn.vercel.app/main.js"type="text/javascript"></script> <linkhref="https://catchoncdn.vercel.app/main.css"rel="stylesheet"></body>
Save the file changes, and the integration is done.