[Update] Plugins: Add localization system.

src-ui/plugins/dev_plugin_subtitles/locales/usePluginTranslation.jsx

@@ -0,0 +1,7 @@
+import { useTranslation } from "react-i18next";
+import plugin_info from "../plugin_info.json";
+
+export const usePluginTranslation = () => {
+    const ns = plugin_info.plugin_id;
+    return useTranslation(ns);
+};