admin script UI: drop name and enlarge text

weed/admin/view/app/plugin.templ

@@ -506,6 +506,9 @@ templ Plugin(page string) {
         .plugin-form-root .card {
             border: 1px solid #dee2e6;
         }
+        .plugin-form-root textarea {
+            min-height: 12rem;
+        }
 
         .plugin-field-hidden {
             display: none;