refactor(editor): unify directories naming (#11516)

**Directory Structure Changes**

- Renamed multiple block-related directories by removing the "block-" prefix:
  - `block-attachment` → `attachment`
  - `block-bookmark` → `bookmark`
  - `block-callout` → `callout`
  - `block-code` → `code`
  - `block-data-view` → `data-view`
  - `block-database` → `database`
  - `block-divider` → `divider`
  - `block-edgeless-text` → `edgeless-text`
  - `block-embed` → `embed`

blocksuite/affine/blocks/root/src/adapters/notion-html.ts

@@ -0,0 +1,28 @@
+import { RootBlockSchema } from '@blocksuite/affine-model';
+import {
+  BlockNotionHtmlAdapterExtension,
+  type BlockNotionHtmlAdapterMatcher,
+  HastUtils,
+} from '@blocksuite/affine-shared/adapters';
+
+export const rootBlockNotionHtmlAdapterMatcher: BlockNotionHtmlAdapterMatcher =
+  {
+    flavour: RootBlockSchema.model.flavour,
+    toMatch: o => HastUtils.isElement(o.node) && o.node.tagName === 'header',
+    fromMatch: () => false,
+    toBlockSnapshot: {
+      enter: (o, context) => {
+        if (!HastUtils.isElement(o.node)) {
+          return;
+        }
+        const { walkerContext } = context;
+        if (o.node.tagName === 'header') {
+          walkerContext.skipAllChildren();
+        }
+      },
+    },
+    fromBlockSnapshot: {},
+  };
+
+export const RootBlockNotionHtmlAdapterExtension =
+  BlockNotionHtmlAdapterExtension(rootBlockNotionHtmlAdapterMatcher);