feat: add search index rebuild command

python manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_indexpython manage.py rebuild_search_index