add base goffee

storage/public/app.js

@@ -0,0 +1,14 @@
+console.log("Start Goffee app");
+
+let elem = document.querySelector('#signout');
+if (elem) {
+document.getElementById("signout").onclick = (_event) => {  
+	fetch('/signout').then(response => response.json())
+		.then(data => {
+		    if (data['message'] == "signed out successfully") {
+				// Refresh the page
+				location.reload();				
+			}
+		})
+  };
+}