Update demo-client.html

Author: fquirin

src/www/demo-client.html

@@ -333,7 +333,7 @@ <h2>Log <button class="variant-2" onclick="clearMessages()" style="margin: 0 0 0
 				if (!suggestedSettings){
 					suggestedSettings = {};
 					//find the best language fit
-					let lang = "en-IE"; //navigator.language;
+					let lang = navigator.language;
 					let foundI;
 					if (lang && settings.languages && settings.models){
 						let li = settings.languages.indexOf(lang);