docs: update changelog

7 jobs for !211 with featDiffCoursesExchangesFeedbacks in 5 minutes and 25 seconds (queued for 1 second)
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Status Job ID Name Coverage
  Check And Lint
passed #933826
docker
check_back

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check_front

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docker
lint_backend

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lint_frontend_and_documentation

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  Test
passed #933830
docker
test_back

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docker
test_frontend

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  Svg Gen Docu
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docker
generate_UML_svg

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