Set minimum intensity by default to 50 p.e. in example DL3 and IRF configs

[morcuended]

Also, I still find it confusing that these config files are not in lstchain/data, together with the rest of lstchain config files.
Shouldn't they be placed in the same location?

Moreover, these example config files are not included in the package data in setup.py:

    package_data={
        'lstchain': [
            'data/*',
            'resources/*',
        ],
    },

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (089891d) 74.22% compared to head (14b9d1b) 74.22%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1208   +/-   ##
=======================================
  Coverage   74.22%   74.22%           
=======================================
  Files         130      130           
  Lines       13279    13279           
=======================================
  Hits         9857     9857           
  Misses       3422     3422           

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[chaimain]

I believe we had paused attempts to make the software easily usable for non-expert analyzers, and so we continued with the analysis practices that we initiated as is. Not sure if it is too late to make dedicated changes before the start of the upcoming software school...