Default episode publish time to browser local time

template/episode_form.html

@@ -72,5 +72,19 @@
             </div>
         </form>
     </div>
+    <script>
+        (function() {
+            const input = document.getElementById('published_at');
+            if (!input.value) {
+                const now = new Date();
+                const pad = (n) => String(n).padStart(2, '0');
+                input.value = now.getFullYear() + '-' +
+                    pad(now.getMonth() + 1) + '-' +
+                    pad(now.getDate()) + 'T' +
+                    pad(now.getHours()) + ':' +
+                    pad(now.getMinutes());
+            }
+        })();
+    </script>
 </body>
 </html>