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

documentation/src/components/ChatwootWidget.js

@@ -1,4 +1,8 @@
-(function (d, t) {
+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];
     g.src = BASE_URL + "/packs/js/sdk.js";
@@ -11,4 +15,5 @@
         baseUrl: BASE_URL
       })
     }
-})(document, 'script');
+  })(document, 'script');
+}