1.2.0

1. lot of house keeping
2. frontend more stable login using keycloak
3. reduce too much console log at backend
4. build frontend/lang/df.ts instead of directly edit
5. some improvement of simpleappinput, like add more probs and reduce console error
6. simplified generated frontend page by using centralize tool bar
7. support document status
8. give frontend freedom to edit header bar and menu bar