add gitlab workflow doc to readme

See merge request csst_sim/csst-simulation!4

merge develop to master (for release version v1.0.4)

See merge request csst_sim/csst-simulation!2

2. Hotfix: fixed a bug when get the bandpasses for spectroscopic chips in Filter.py

Merge branch 'release_v0.5' of https://csst-tb.bao.ac.cn/code/fangyuedong/csst-simulation into release_v0.5

2. swith to use "interFlux" in CatalogBase.py,
so now the implementation for number of photons been
shot in Photometric and Spectroscopic are the same
3. Minor config option fix in run_sim.py

Merge branch 'customizable_catalog' of ssh://119.78.210.97:31415/data/simudata/CSSOSDataProductsSims/codes/CSST into customizable_catalog

Merge branch 'master' of ssh://119.78.210.97:31415/data/simudata/CSSOSDataProductsSims/codes/CSST into customizable_catalog

fix the crashe when use a filter that is not in the list of run_chips for mag cut. add new feature: add additional output columns to the .cat file, see NGPCatalog.py as an example