Add Redux and reducers.

Load i18n files and add dayjs.

src/redux/index.ts

@@ -0,0 +1,62 @@
+import { createStore } from "redux";
+import rootReducer from "./reducers";
+import localForage from "localforage";
+
+import { Typing } from "./reducers/typing";
+import { Drafts } from "./reducers/drafts";
+import { AuthState } from "./reducers/auth";
+import { Language } from "../context/Locale";
+import { Unreads } from "./reducers/unreads";
+import { SyncOptions } from "./reducers/sync";
+import { Settings } from "./reducers/settings";
+import { QueuedMessage } from "./reducers/queue";
+import { ExperimentOptions } from "./reducers/experiments";
+
+export type State = {
+    locale: Language;
+    auth: AuthState;
+    settings: Settings;
+    unreads: Unreads;
+    queue: QueuedMessage[];
+    typing: Typing;
+    drafts: Drafts;
+    sync: SyncOptions;
+    experiments: ExperimentOptions;
+};
+
+export const store = createStore((state: any, action: any) => {
+    if (process.env.NODE_ENV === "development") {
+        console.debug("State Update:", action);
+    }
+
+    if (action.type === "__INIT") {
+        return action.state;
+    }
+
+    return rootReducer(state, action);
+});
+
+// Save state using localForage.
+store.subscribe(() => {
+    const {
+        locale,
+        auth,
+        settings,
+        unreads,
+        queue,
+        drafts,
+        sync,
+        experiments
+    } = store.getState() as State;
+    
+    localForage.setItem("state", {
+        locale,
+        auth,
+        settings,
+        unreads,
+        queue,
+        drafts,
+        sync,
+        experiments
+    });
+});