refactor: renamed app to lms

lms/www/courses/certificate.js

@@ -0,0 +1,25 @@
+frappe.ready(() => {
+
+  $("#export-as-pdf").click((e) => {
+    export_as_pdf(e);
+  })
+
+})
+
+var export_as_pdf = (e) => {
+  var button = $(e.currentTarget);
+  button.text(__("Exporting..."));
+
+  html2canvas(document.querySelector('.common-card-style'), {
+    scrollY: -window.scrollY,
+    scrollX: 0
+  }).then(function(canvas) {
+    let dataURL = canvas.toDataURL('image/png');
+    let a = document.createElement('a');
+    a.href = dataURL;
+    a.download = button.attr("data-certificate-name");
+    a.click();
+  }).finally(() => {
+    button.text(__("Export"))
+  });
+}