fix extension manager

docs/src/docPages/api/extensions/blockquote.md

@@ -39,7 +39,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new Blockquote(),
+          Blockquote(),
         ],
         content: `
           <blockquote>

docs/src/docPages/api/extensions/bullet-list.md

@@ -43,7 +43,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new BulletList(),
+          BulletList(),
         ],
         content: `
           <ul>

docs/src/docPages/api/extensions/heading.md

@@ -51,7 +51,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new Heading({
+          Heading({
             levels: [1, 2],
           }),
         ],

docs/src/docPages/api/extensions/horizontal-rule.md

@@ -39,7 +39,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new HorizontalRule(),
+          HorizontalRule(),
         ],
         content: `
           <p>Some text.</p>

docs/src/docPages/api/extensions/ordered-list.md

@@ -43,7 +43,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new OrderedList(),
+          OrderedList(),
         ],
         content: `
           <ol>

docs/src/docPages/api/extensions/placeholder.md

@@ -66,10 +66,10 @@ You have to include all table extensions (`TableHeader`, `TableCell` & `TableRow
       return {
         editor: new Editor({
           extensions: [
-            new Table(),
-            new TableCell(),
-            new TableHeader(),
-            new TableRow(),
+            Table(),
+            TableCell(),
+            TableHeader(),
+            TableRow(),
           ],
           content: ''
         }),

docs/src/docPages/api/extensions/strike.md

@@ -40,7 +40,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new Strike(),
+          Strike(),
         ],
         content: `
           <p><s>That's strikethrough.</s></p>

docs/src/docPages/api/extensions/todo-list.md

@@ -43,10 +43,10 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new TodoItem({
+          TodoItem({
             nested: true,
           }),
-          new TodoList(),
+          TodoList(),
         ],
         content: `
           <ul data-type="todo_list">

docs/src/docPages/api/extensions/underline.md

@@ -40,7 +40,7 @@ export default {
     return {
       editor: new Editor({
         extensions: [
-          new Underline(),
+          Underline(),
         ],
         content: `
           <p><u>This is underlined.</u></p>