docs: ✏️ add doc for block plugin

packages/plugin-block/README.md

@@ -1,6 +1,6 @@
 # @milkdown/plugin-block
 
-The history plugin of [milkdown](https://milkdown.dev/).
+The block plugin of [milkdown](https://milkdown.dev/).
 
 # Official Documentation
 

website/pages/official-plugins/plugin-block/index.md

@@ -0,0 +1,12 @@
+# @milkdown/plugin-block
+
+Block plugin for [milkdown](https://milkdown.dev/) to simulate the behavior of block editor.
+
+```typescript
+import { Editor } from '@milkdown/core';
+import { commonmark } from '@milkdown/preset-commonmark';
+
+import { block } from '@milkdown/plugin-block';
+
+Editor.make().use(commonmark).use(block).create();
+```

website/route/page-config.ts

@@ -47,6 +47,7 @@ export const config: ConfigItem[] = [
             'plugin-tooltip',
             'plugin-slash',
             'plugin-menu',
+            'plugin-block',
             'plugin-indent',
             'plugin-trailing',
             'plugin-emoji',

website/route/page-dict.ts

@@ -443,6 +443,13 @@ export const titleDict: Dict = new Map([
             'zh-hans': 'plugin-trailing',
         },
     ],
+    [
+        'plugin-block',
+        {
+            en: 'plugin-block',
+            'zh-hans': 'plugin-block',
+        },
+    ],
     [
         'theme-nord',
         {