master -> main updates

CONTRIBUTING.md

@@ -16,7 +16,7 @@ You also agree to abide by our [contributor code of conduct][conduct].
 1.  We use the [fork and pull][gh-fork-pull] model to manage changes.
     More information about [forking a repository][gh-fork] and [making a Pull Request][gh-pull].
 
-2.  For our lessons, you should branch from and submit pull requests against the `master` branch.
+2.  For our lessons, you should branch from and submit pull requests against the `main` branch.
 
 3.  When editing lesson pages, you need only commit changes to the Markdown source files.
 

archive/FCChhFullAnalysis.md

@@ -39,7 +39,7 @@ But first, make sure your **setup of the FCC software** is working correctly. A
 !which fccrun
 ```
 
-If the above command fails without printing a path like `/cvmfs/fcc.cern.ch/sw/releases/fccsw/0.10/x86_64-centos7-gcc62-opt/scripts/fccrun` check [**the documentation page on FCC software setup**](https://github.com/HEP-FCC/fcc-tutorials/blob/master/FccSoftwareGettingStarted.md).
+If the above command fails without printing a path like `/cvmfs/fcc.cern.ch/sw/releases/fccsw/0.10/x86_64-centos7-gcc62-opt/scripts/fccrun` check [**the documentation page on FCC software setup**](https://github.com/HEP-FCC/fcc-tutorials/blob/main/FccSoftwareGettingStarted.md).
 
 
 ## Part I: Generate and simulate Events with FCCSW
@@ -797,7 +797,7 @@ By comparing the CMS and FCC Delphes cards, try to explain:
 []() Other documentation
 ------------------------
 
--   [Submit FCCSW jobs using the condor queue](https://github.com/HEP-FCC/fcc-tutorials/blob/master/FccCondor.md)
+-   [Submit FCCSW jobs using the condor queue](https://github.com/HEP-FCC/fcc-tutorials/blob/main/FccCondor.md)
 -   [Submit Heppy jobs using the batch queue](https://github.com/HEP-FCC/heppy/blob/master/doc/Heppy_-_Parallel_Processing.md)
 -   [FCCSW webpage](http://fccsw.web.cern.ch/fccsw/index.html)
 -   [Pythia8 manual](http://home.thep.lu.se/~torbjorn/pythia81html/Welcome.html)

archive/FccCaloPerformance.md

@@ -28,7 +28,7 @@ You can check that the command to run jobs in the Gaudi framework is available o
 ```python
 !which fccrun
 ```
-If you don't see a valid path like `/usr/local/bin/fccrun`  you should consult [the documentation page on FCCSW setup](https://github.com/vvolkl/fcc-tutorials/blob/master/FccSoftwareGettingStarted.md)
+If you don't see a valid path like `/usr/local/bin/fccrun`  you should consult [the documentation page on FCCSW setup](https://github.com/vvolkl/fcc-tutorials/blob/main/FccSoftwareGettingStarted.md)
 
 ## Using the DD4hep detector model in FCC Software.
 

archive/FccCaloPerformance_2021/FccCaloPerformance.md

@@ -39,7 +39,7 @@ You can check that the command to run jobs in the Gaudi framework is available o
 ```bash
 which fccrun
 ```
-If you don't see a valid path like `/usr/local/bin/fccrun`  you should consult [the documentation page on FCCSW setup](https://github.com/vvolkl/fcc-tutorials/blob/master/FccSoftwareGettingStarted.md)
+If you don't see a valid path like `/usr/local/bin/fccrun`  you should consult [the documentation page on FCCSW setup](https://github.com/vvolkl/fcc-tutorials/blob/main/FccSoftwareGettingStarted.md)
 
 ## Using the DD4hep detector model in FCC Software.
 

archive/FccFullAnalysis.md

@@ -212,7 +212,7 @@ By comparing the CMS and FCC Delphes cards, try to explain:
 []() Other documentation
 ------------------------
 
--   [Submit FCCSW jobs using the condor queue](https://github.com/HEP-FCC/fcc-tutorials/blob/master/FccCondor.md)
+-   [Submit FCCSW jobs using the condor queue](https://github.com/HEP-FCC/fcc-tutorials/blob/main/FccCondor.md)
 -   [Submit Heppy jobs using the batch queue](https://github.com/HEP-FCC/heppy/blob/master/doc/Heppy_-_Parallel_Processing.md)
 -   [FCCSW webpage](http://fccsw.web.cern.ch/fccsw/index.html)
 -   [Pythia8 manual](http://home.thep.lu.se/~torbjorn/pythia81html/Welcome.html)

full-detector-simulations/FCCeeCaloPhotonPi0Discrimination/FCCeeCaloPhotonPi0Discrimination.md

@@ -294,8 +294,8 @@ fccanalysis run analysis_tutorial_mva.py --output photons_10layers.root --test
 
 We get the following plotting scripts
 ```shell
-wget https://raw.githubusercontent.com/HEP-FCC/fcc-tutorials/master/full-detector-simulations/FCCeeCaloPhotonPi0Discrimination/draw_rocCurve_pi0_gamma_GNN.py
-wget https://raw.githubusercontent.com/HEP-FCC/fcc-tutorials/master/full-detector-simulations/FCCeeCaloPhotonPi0Discrimination/rocCurveFacility.py
+wget https://raw.githubusercontent.com/HEP-FCC/fcc-tutorials/main/full-detector-simulations/FCCeeCaloPhotonPi0Discrimination/draw_rocCurve_pi0_gamma_GNN.py
+wget https://raw.githubusercontent.com/HEP-FCC/fcc-tutorials/main/full-detector-simulations/FCCeeCaloPhotonPi0Discrimination/rocCurveFacility.py
 ```
 
 Edit `draw_rocCurve_pi0_gamma_GNN.py` and edit the following:

full-detector-simulations/FCCeeGeneralOverview/FCCeeGeneralOverview.md

@@ -260,7 +260,7 @@ From there, you can navigate the geometry hierarchy to see how volumes are neste
 :align: center
 ```
 
-This tool is useful but not perfect and will not meet all the needs (especially if you want to overlay a physics event). To go further, other solutions are described in the dedicated [Visualization](https://hep-fcc.github.io/fcc-tutorials/master/full-detector-simulations/Visualization/Visualization.html) tutorial.
+This tool is useful but not perfect and will not meet all the needs (especially if you want to overlay a physics event). To go further, other solutions are described in the dedicated [Visualization](https://hep-fcc.github.io/fcc-tutorials/main/full-detector-simulations/Visualization/Visualization.html) tutorial.
 
 ## Additional Resources
  - [Key4hep tutorial](https://key4hep.github.io/key4hep-doc/setup-and-getting-started/README.html)

full-detector-simulations/FccCaloPerformance/CaloFullSimExercise.md

@@ -57,7 +57,7 @@ Open the file `runCaloSim.py` and briefly browse it to get familiar with the `Ga
 NB: everything defined as a `Gaudi::Property` in the C++ implementation (e.g. `MomentumMin` from `MomentumRangeParticleGun`) can be set at run time in command line arguments. 
 The complete list of parameters that can be modified is displayed with `fccrun runCaloSim.py -h`.   
 
-Run the simulation with  `fccrun runCaloSim.py` (you can safely ignore the warnings and the error about HistogramSvc). While this command runs, try to answer the following questions by browsing [runCaloSim.py](https://github.com/HEP-FCC/fcc-tutorials/blob/master/full-detector-simulations/FccCaloPerformance/runCaloSim.py):
+Run the simulation with  `fccrun runCaloSim.py` (you can safely ignore the warnings and the error about HistogramSvc). While this command runs, try to answer the following questions by browsing [runCaloSim.py](https://github.com/HEP-FCC/fcc-tutorials/blob/main/full-detector-simulations/FccCaloPerformance/runCaloSim.py):
 
 - how to change the type of particle you shoot in the detector?
 :::{admonition} Answer