add dropcursor options

packages/extension-dropcursor/src/index.ts

@@ -1,10 +1,22 @@
 import { Extension } from '@tiptap/core'
 import { dropCursor } from 'prosemirror-dropcursor'
 
+type DropcursorOptions = {
+  color: string | null,
+  width: number | null,
+  class: string | null,
+}
+
 const Dropcursor = Extension.create({
+  defaultOptions: <DropcursorOptions>{
+    color: 'black',
+    width: 1,
+    class: null,
+  },
+
   addProseMirrorPlugins() {
     return [
-      dropCursor(),
+      dropCursor(this.options),
     ]
   },
 })