feat: add user_setting model (#145)

* feat: add `user_setting` model

* chore: add global store

* chore: update settings in web

* chore: update `i18n` example

web/src/helpers/api.ts

@@ -46,6 +46,10 @@ export function getUserById(id: number) {
   return axios.get<ResponseObject<User>>(`/api/user/${id}`);
 }
 
+export function upsertUserSetting(upsert: UserSettingUpsert) {
+  return axios.post<ResponseObject<UserSetting>>(`/api/user/setting`, upsert);
+}
+
 export function patchUser(userPatch: UserPatch) {
   return axios.patch<ResponseObject<User>>(`/api/user/${userPatch.id}`, userPatch);
 }