adding some TODOs

docs/HowBadIsMyBatch.html

@@ -42,6 +42,7 @@
     document.addEventListener(
       "DOMContentLoaded",
       event => {
+        // FK-TODO: add PDF button
         BatchCodeSelectInitializer.initialize(
           {
             batchCodeSelectElement: $('#batchCodeSelect'),

docs/SymptomsCausedByDrugs/js/PdfCreator.js

@@ -49,6 +49,7 @@ class PdfCreator {
         return selectElement.select2('data')[0].text;
     }
 
+    // FK-TODO: add red background to some rows
     static #getTable(table) {
         const headers = PdfCreator.#getTableHeaders(table);
         const rows = table.rows({ search: 'applied' }).data().toArray();