chore: add docs

Author: Timo Pagel

spiderwebData.php

@@ -151,8 +151,8 @@ function isElementExisting($dimensions, $givenElementName) {
   $element = $elementParam;
   $csvFile = 'selectedData.csv';
   if (isElement( $csvFile, $element)) {
-      echo "Deleted element";
-      deleteElement($csv, $element);
+    echo "Deleted element";
+    deleteElement($csv, $element);
   } else {
     if (!isElementExisting($dimensions, $element)) {
       echo "Could not find element";
@@ -161,12 +161,12 @@ function isElementExisting($dimensions, $givenElementName) {
     $newEntry['element'] = $element;
     $csv[] = $newEntry;
   }
-  if(array_key_exists(0, $csv)) {
-      $keys = array_keys($csv[0]);
+  if (array_key_exists(0, $csv)) {
+    $keys = array_keys($csv[0]);
   } else if (array_key_exists(1, $csv)) {
-      $keys = array_keys($csv[1]);
+    $keys = array_keys($csv[1]);
   } else {
-      $keys = array("element");
+    $keys = array("element");
   }
 
   $csv = array_merge(array($keys), $csv);