Revamped site's common scripts, Many pages slightly broken

Update commons.yml, excel-password-remover.yml, and 31 more files...

static/resources/NibblePoker/applets/excel-password-remover/excel-password-remover.mjs

@@ -1,30 +1,53 @@
+import {initCore} from "../../js/nibblepoker-core.mjs"
+
 const excelFileRegex = /^.*\.xls[xm]$/gi;
 const excelWorksheetRegex = /^xl\/worksheets\/.*.xml$/gi;
 
-var outputZip;
-var outputZipFilename = "default-filename.error.zip";
-var filesTotalCount = 0;
-var filesProcessedCount = 0;
-var passwordsRemoved = 0;
+/**
+ * Checks if the given filename appears to be for an Excel file.
+ * @param fileName {string} Filename to be checked
+ * @returns {boolean} `true` if it appears to be an Excel file, `false` otherwise.
+ */
+function isExcelExtension(fileName) {
+    return fileName.match(excelFileRegex) !== null;
+}
 
 // Tool-centric stuff
 {
+    initCore();
+
+    var outputZip;
+    var outputZipFilename = "default-filename.error.zip";
+    var filesTotalCount = 0;
+    var filesProcessedCount = 0;
+    var passwordsRemoved = 0;
+
     /** @type {string} */
     const appletId = "excel-password-remover";
 
-    ///** @type {HTMLElement} */
-    //const eEulaContainer = document.querySelector(`#${appletId}-eula`);
+    /** @type {HTMLElement} */
+    const eEulaContainer = document.querySelector(`#${appletId}-eula`);
     ///** @type {HTMLInputElement} */
     //const eEulaDontAskAgainOption = document.querySelector(`input#${appletId}-eula-remember`);
     ///** @type {HTMLButtonElement} */
     //const eEulaAcceptButton = document.querySelector(`button#${appletId}-eula-accept`);
 
+    /** @type {HTMLInputElement} */
+    const eFileInput = document.querySelector(`input[type=file]#${appletId}-input-file`);
+
     /*function acceptTerms() {
         document.getElementById("warning").hidden = true;
         document.getElementById("file-select").hidden = false;
     }*/
 
     window.onload = function () {
+
+		eFileInput.addEventListener('change', function(e) {
+            let fileCount = e.target.files.length;
+
+            console.log(fileCount);
+        });
+
         /*console.log(eEulaContainer);
         console.log(eEulaDontAskAgainOption);
         console.log(eEulaAcceptButton);