feat: add S/MIME store for managing key records and public certificates

- Implemented Zustand store for S/MIME functionality, including state management for key records and public certificates.
- Added methods for importing PKCS#12 files and public certificates, binding identities to keys, and managing unlocked keys.
- Introduced session storage for remembering unlocked keys across sessions.
- Enhanced error handling and loading states during data operations.

package.json

@@ -32,12 +32,16 @@
   },
   "dependencies": {
     "@tanstack/react-virtual": "^3.13.18",
+    "asn1js": "^3.0.7",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
     "dompurify": "^3.3.1",
     "lucide-react": "^0.575.0",
     "next": "^16.1.5",
     "next-intl": "^4.5.8",
+    "pkijs": "^3.3.3",
+    "postal-mime": "^2.7.4",
+    "pvtsutils": "^1.3.6",
     "react": "^19.2.1",
     "react-dom": "^19.2.1",
     "sonner": "^2.0.7",
@@ -61,6 +65,7 @@
     "eslint": "^9.39.2",
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^7.0.1",
+    "fake-indexeddb": "^6.2.5",
     "globals": "^17.0.0",
     "husky": "^9.1.7",
     "jsdom": "^28.1.0",