feat(core): pdf preview (#8569)

Co-authored-by: forehalo <forehalo@gmail.com>

packages/frontend/core/package.json

@@ -36,6 +36,7 @@
     "@radix-ui/react-scroll-area": "^1.0.5",
     "@radix-ui/react-toolbar": "^1.0.4",
     "@sentry/react": "^8.0.0",
+    "@toeverything/pdf-viewer": "^0.1.1",
     "@toeverything/theme": "^1.0.17",
     "@vanilla-extract/dynamic": "^2.1.0",
     "animejs": "^3.2.2",
@@ -45,6 +46,7 @@
     "core-js": "^3.36.1",
     "dayjs": "^1.11.10",
     "file-type": "^19.1.0",
+    "filesize": "^10.1.6",
     "foxact": "^0.2.33",
     "fuse.js": "^7.0.0",
     "graphemer": "^1.4.0",