feat(editor): extract linked doc widget package (#11589)

Close [BS-2738](https://github.com/toeverything/AFFiNE/pull/11589)

tsconfig.json

@@ -97,6 +97,7 @@
     { "path": "./blocksuite/affine/widgets/edgeless-auto-connect" },
     { "path": "./blocksuite/affine/widgets/edgeless-toolbar" },
     { "path": "./blocksuite/affine/widgets/frame-title" },
+    { "path": "./blocksuite/affine/widgets/linked-doc" },
     { "path": "./blocksuite/affine/widgets/remote-selection" },
     { "path": "./blocksuite/affine/widgets/scroll-anchoring" },
     { "path": "./blocksuite/affine/widgets/slash-menu" },