Add Redux and reducers.

Load i18n files and add dayjs.

package.json

@@ -3,7 +3,7 @@
   "scripts": {
     "dev": "vite",
     "build": "rimraf build && tsc && vite build",
-    "serve": "vite preview",
+    "preview": "vite preview",
     "lint": "eslint 'src/**/*.{js,jsx,ts,tsx}'",
     "fmt": "prettier --write 'src/**/*.{js,jsx,ts,tsx}'"
   },
@@ -30,14 +30,22 @@
     "@styled-icons/feather": "^10.34.0",
     "@types/node": "^15.12.3",
     "@types/preact-i18n": "^2.3.0",
+    "@types/react-helmet": "^6.1.1",
     "@types/styled-components": "^5.1.10",
     "@typescript-eslint/eslint-plugin": "^4.27.0",
     "@typescript-eslint/parser": "^4.27.0",
+    "dayjs": "^1.10.5",
     "eslint": "^7.28.0",
     "eslint-config-preact": "^1.1.4",
+    "localforage": "^1.9.0",
     "preact-i18n": "^2.4.0-preactx",
     "prettier": "^2.3.1",
+    "react-device-detect": "^1.17.0",
+    "react-helmet": "^6.1.0",
     "react-overlapping-panels": "1.1.2-patch.0",
+    "react-redux": "^7.2.4",
+    "redux": "^4.1.0",
+    "revolt.js": "4.2.0-alpha.3-patch.0",
     "rimraf": "^3.0.2",
     "sass": "^1.35.1",
     "styled-components": "^5.3.0",