Moved scripts from .html files to seperate js .files (#191)

Let's hope everything works as before or better.

Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #191
Reviewed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/tools/xmlFormatter.html

@@ -5,8 +5,9 @@
         <!-- <link rel="stylesheet" href="styles.css"> -->
         <link rel="stylesheet" href="../assets/css/tools/r11form.css">
         <link rel="stylesheet" href="../assets/css/highlight.css">
-        <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>
+        <script src="../assets/scripts/common/hljs.min.js"></script>
         <script src="../assets/scripts/tools/scripts.js"></script>
+        <script src="../assets/scripts/tools/xmlFormatter.js"></script>
         <script src="../assets/scripts/tools/highlight.js"></script>
         <script>hljs.highlightAll();</script>
 
@@ -62,20 +63,6 @@
 
         </div>
 
-        <script>
-            function getProcessor() {
-                return "libxml";
-            }
-
-            function getVersion() {
-                return "1.0"
-            }
-
-            function init() {
-                configurePastingInElement("xmlArea");
-            }
-        </script>
-
     </body>
 
 </html>