backend hanwatts prediction model web interface

Merge pull request #39 in UPRFIR/backend-hanwatts-prediction-model-web-interface from UPRFIR-216-Sonarcube-feedback-verwerken to develop

* commit 'de9af78cb8a13c2ec25aec8c095e63b1d621a817':
  CONSTsistancy
  -testroute
  onlogische try catch weg
  remove commented code
  auth weg
  critical refactors