🐛 Fix slug page and refactor server side translations code

src/types/dashboardPageType.ts

@@ -0,0 +1,10 @@
+import { SSRConfig } from 'next-i18next';
+import { ConfigType } from './config';
+
+export type DashboardServerSideProps = {
+  config: ConfigType;
+  // eslint-disable-next-line react/no-unused-prop-types
+  configName: string;
+  // eslint-disable-next-line react/no-unused-prop-types
+  _nextI18Next: SSRConfig['_nextI18Next'];
+};