Fixed intendations and added missing docs

Frontend/assets/scripts/tools/scripts.js

@@ -65,6 +65,15 @@ function clearDataField(){
     document.getElementById("transformArea").style.backgroundColor = null;
 }
 
+/**
+* It fills the XML area with a sample XML.
+* 
+* @function
+* @name fillDefaultXML
+* @kind function
+* @param {any} element
+* @returns {void}
+*/
 function fillDefaultXML(element) {
     if (element.classList.contains("active")) {
         const serverAddress = window.location.protocol + "//" + window.location.hostname + ":8086";