Improve markdown editor

assets/editor/dates.js

@@ -0,0 +1,17 @@
+window.EditorDates = (function () {
+
+    function pad2(n) { return n < 10 ? '0' + n : '' + n; }
+
+    function isoDate() {
+        var d = new Date();
+        return d.getFullYear() + '-' + pad2(d.getMonth() + 1) + '-' + pad2(d.getDate());
+    }
+
+    function longDate() {
+        return new Date().toLocaleDateString('de-DE', {
+            weekday: 'long', year: 'numeric', month: 'long', day: 'numeric'
+        });
+    }
+
+    return { isoDate: isoDate, longDate: longDate };
+})();