Add Redux and reducers.

Load i18n files and add dayjs.

src/redux/reducers/index.ts

@@ -0,0 +1,47 @@
+import { combineReducers } from "redux";
+
+import { settings, SettingsAction } from "./settings";
+import { locale, LocaleAction } from "./locale";
+import { auth, AuthAction } from "./auth";
+import { unreads, UnreadsAction } from "./unreads";
+import { queue, QueueAction } from "./queue";
+import { typing, TypingAction } from "./typing";
+import { drafts, DraftAction } from "./drafts";
+import { sync, SyncAction } from "./sync";
+import { experiments, ExperimentsAction } from "./experiments";
+
+export default combineReducers({
+    locale,
+    auth,
+    settings,
+    unreads,
+    queue,
+    typing,
+    drafts,
+    sync,
+    experiments
+});
+
+export type Action =
+    | LocaleAction
+    | AuthAction
+    | SettingsAction
+    | UnreadsAction
+    | QueueAction
+    | TypingAction
+    | DraftAction
+    | SyncAction
+    | ExperimentsAction
+    | { type: "__INIT"; state: any };
+
+export type WithDispatcher = { dispatcher: (action: Action) => void };
+
+export function filter(obj: any, keys: string[]) {
+    const newObj: any = {};
+    for (const key of keys) {
+        const v = obj[key];
+        if (v) newObj[key] = v;
+    }
+
+    return newObj;
+}