feat: add insturctions on how to dump keys for v10

package.json

@@ -44,6 +44,7 @@
     "@types/react-dom": "^19.1.9",
     "@types/react-syntax-highlighter": "^15.5.13",
     "@types/sql.js": "^1.4.9",
+    "@types/tar-stream": "^3.1.4",
     "@types/wicg-file-system-access": "^2023.10.6",
     "@typescript-eslint/eslint-plugin": "^8.42.0",
     "@typescript-eslint/parser": "^8.42.0",
@@ -64,6 +65,7 @@
     "sass": "^1.92.1",
     "simple-git-hooks": "^2.13.1",
     "tailwindcss": "^4.1.13",
+    "tar-stream": "^3.1.7",
     "terser": "^5.44.0",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.42.0",