feat(ui): add i18n support

src/client/web/src/i18n/en_US.ts

@@ -0,0 +1,8 @@
+import { Map } from "immutable";
+
+const adContent = `
+If you have any question, you can submit an issue in the github repo. But owner may be out of the office in the weekend 😎.`;
+
+export const msgs: Map<string, string> = Map({
+  "loader.top.about": "关于",
+});

src/client/web/src/i18n/msger.ts

@@ -0,0 +1,27 @@
+import { Map } from "immutable";
+
+import { msgs as enMsgs } from "./en_US";
+import { msgs as cnMsgs } from "./zh_CN";
+
+export class Msger {
+  private msgs: Map<string, string>;
+  constructor(msgs: Map<string, string>) {
+    this.msgs = msgs;
+  }
+  getMsg(key: string): string {
+    return this.msgs.get(key, "");
+  }
+}
+
+export class MsgPackage {
+  static getPkg(key: string): Map<string, string> {
+    switch (key) {
+      case "en-US":
+        return Map(enMsgs);
+      case "zh-CN":
+        return Map(cnMsgs);
+      default:
+        return Map(enMsgs);
+    }
+  }
+}

src/client/web/src/i18n/zh_CN.ts

@@ -0,0 +1,8 @@
+import { Map } from "immutable";
+
+const adContent = `
+发现bug等, 可至下方github库提交issue, 不过周末可能不上班😎.`;
+
+export const msgs: Map<string, string> = Map({
+  "loader.top.about": "关于",
+});