feat: i18n middleware

feat: i18n configuration.
feat: i18n with tenancy.

server/src/loaders/i18n.ts

@@ -0,0 +1,9 @@
+import i18n from 'i18n';
+import path from 'path';
+
+export default () => i18n.configure({
+  locales: ['en', 'ar'],
+  register: global,
+  directory: path.join(global.rootPath, 'src/locales'),
+  updateFiles: false
+})