Fix chatwoot import issue by checking whether we're in an execution environment before loading the script

documentation/src/components/ChatwootWidget.js

@@ -1,3 +1,7 @@
+import ExecutionEnvironment from '@docusaurus/ExecutionEnvironment';
+
+// Only execute on client-side
+if (ExecutionEnvironment.canUseDOM) {
   (function (d, t) {
     var BASE_URL = "https://app.chatwoot.com";
     var g = d.createElement(t), s = d.getElementsByTagName(t)[0];
@@ -12,3 +16,4 @@
       })
     }
   })(document, 'script');
+}