Fix: Use default community health files for @ergebnis

[localheinz]

This PR

• makes use of default community health files for the @ergebnis organization

💁‍♂ For reference, see https://github.com/ergebnis/.github.

[codecov]

Codecov Report

Merging #160 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #160   +/-   ##
=========================================
  Coverage     90.63%   90.63%           
  Complexity      135      135           
=========================================
  Files            22       22           
  Lines           395      395           
=========================================
  Hits            358      358           
  Misses           37       37

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