fix some imports and exports

packages/tiptap/src/index.js

@@ -1,5 +1,3 @@
-import Editor from './components/editor'
-import Node from './utils/node'
-import Mark from './utils/mark'
-
-export { Editor, Node, Mark }
+export { default as Editor } from './components/editor'
+export { default as Node } from './utils/node'
+export { default as Mark } from './utils/mark'

packages/tiptap/src/nodes/Doc.js

@@ -1,4 +1,4 @@
-import { Node } from 'tiptap-models'
+import Node from '../utils/node'
 
 export default class DocNode extends Node {
 

packages/tiptap/src/nodes/Paragraph.js

@@ -1,4 +1,4 @@
-import { Node } from 'tiptap-models'
+import Node from '../utils/node'
 import { setBlockType } from 'tiptap-commands'
 
 export default class ParagraphNode extends Node {

packages/tiptap/src/nodes/Text.js

@@ -1,4 +1,4 @@
-import { Node } from 'tiptap-models'
+import Node from '../utils/node'
 
 export default class TextNode extends Node {