Merge branch 'fix_missing_licence_headers' into 'master'

add missing licence header in CMakeLists.txt

See merge request !7
4 jobs for master in 7 minutes and 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #548682
build_pampa

00:01:09

passed #548683
build_pampa_doc

00:01:52

 
  Test
passed #548684
test_pampa

00:02:20

 
  Analysis
passed #548685
sonar

00:03:18