✨ display word counts

package.json

@@ -31,7 +31,10 @@
     "@codemirror/view": "^6.35.0",
     "@electron-toolkit/preload": "^3.0.0",
     "@electron-toolkit/utils": "^3.0.0",
+    "@types/dompurify": "^3.0.5",
     "codemirror": "^6.0.1",
+    "dompurify": "^3.3.1",
+    "marked": "^17.0.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "zustand": "^4.5.0"