Minor UI improvements

assets/js/fake-input.js

+const keyListener = (event) => {
+    console.log(event.which);
+    if (event.which === 13) {
+        event.preventDefault();
+    }
+};
+
+Array.prototype.slice.call(document.querySelectorAll(".fake-input[contenteditable]")).forEach(elem => {
+    elem.addEventListener("keypress", keyListener)
+});
\ No newline at end of file

templates/_footer.html

 {{define "footer"}}
+<script src="/assets/js/fake-input.js"></script>
 {{end}}
\ No newline at end of file