Added a notebook tutorial for fitting data with a grid of model spectra

.gitignore

@@ -4,7 +4,10 @@ docs/_build
 docs/tutorials/species_config.ini
 docs/tutorials/species_database.hdf5
 docs/tutorials/*.png
+docs/tutorials/*.fits
+docs/tutorials/*.dat
 docs/tutorials/data/*
+docs/tutorials/ultranest/*
 docs/tutorials/.ipynb_checkpoints/*
 build/
 dist/

Makefile

@@ -43,10 +43,13 @@ clean:
 	rm -rf .pytest_cache/
 	rm -rf docs/_build/
 	rm -rf docs/tutorials/data/
+	rm -rf docs/tutorials/ultranest/
 	rm -rf docs/tutorials/.ipynb_checkpoints
 	rm -f docs/tutorials/species_config.ini
 	rm -f docs/tutorials/species_database.hdf5
 	rm -f docs/tutorials/*.png
+	rm -f docs/tutorials/*.fits
+	rm -f docs/tutorials/*.dat
 	rm -rf build/
 	rm -rf dist/
 	rm -rf species.egg-info/

docs/tutorials.rst

@@ -13,13 +13,13 @@ This page contains a list of tutorials which highlight some of the functionaliti
 
    tutorials/flux_magnitude.ipynb
    tutorials/synthetic_photometry.ipynb
-   tutorials/spectral_library.ipynb
    tutorials/color_magnitude_broadband.ipynb
    tutorials/color_magnitude_narrowband.ipynb
    tutorials/atmospheric_models.ipynb
    tutorials/data_model.ipynb
-   tutorials/flux_calibration.ipynb
+   tutorials/spectral_library.ipynb
    tutorials/fitting_model_spectra.ipynb
+   tutorials/flux_calibration.ipynb
 
 .. important::
    A flux calibrated spectrum of Vega is used for the conversion between a flux density and magnitude. The magnitude of Vega is set to 0.03 for all filters. If needed, the magnitude of Vega can be changed with the ``vega_mag`` attribute of a ``SyntheticPhotometry`` object: