Add Redux and reducers.

Load i18n files and add dayjs.

src/context/revoltjs/RevoltClient.tsx

@@ -0,0 +1,19 @@
+import { Client } from 'revolt.js';
+
+export enum ClientStatus {
+    LOADING,
+    READY,
+    OFFLINE,
+    DISCONNECTED,
+    CONNECTING,
+    RECONNECTING,
+    ONLINE
+}
+
+export const RevoltJSClient = new Client({
+    autoReconnect: false,
+    apiURL: process.env.API_SERVER,
+    debug: process.env.NODE_ENV === "development",
+    // Match sw.js#13
+    // db: new Db("state", 3, ["channels", "servers", "users", "members"])
+});