feat: supports resumable uploads (#343)

assets/index.css

@@ -134,7 +134,6 @@ body {
 }
 
 .cell-status span {
-  width: 80px;
   display: inline-block;
 }
 
@@ -239,6 +238,10 @@ body {
   font-style: italic;
 }
 
+.retry-btn {
+  cursor: pointer;
+}
+
 @media (min-width: 768px) {
   .path a {
     min-width: 400px;