[!6] Resolve "Add GitLab description templates for MR and issues"

Merge branch '4-add-gitlab-description-templates-for-mr-and-issues' into 'master'

ref:copasi/dune-copasi Closes [#4]

See merge request [!6]

  [#4]: gitlab.dune-project.org/copasi/dune-copasi/issues/4
  [!6]: gitlab.dune-project.org/copasi/dune-copasi/merge_requests/6


Closes #4
6 jobs for 3-add-ci-for-windows-and-macos-2 in 3 minutes and 35 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #117463
cores:4
build:debian_clang

00:02:04

passed #117462
cores:4
build:debian_gcc

00:02:05

 
  Unit Test
passed #117465
cores:4
unit_test:debian_clang

00:00:27

passed #117464
cores:4
unit_test:debian_gcc

00:00:28

 
  System Test
passed #117467
cores:4
system_test:debian_clang

00:01:01

passed #117466
cores:4
system_test:debian_gcc

00:01:01