Merge branch 'add-copyright-headers' into 'master'

Add copyright/license to source files.

See merge request !27
9 jobs for master in 29 minutes and 6 seconds (queued for 1 second)
Status Job ID Name Coverage
  Prepare
passed #59694
build-base

00:09:04

passed #59695
build-integration

00:20:06

 
  Build
passed #59696
clang-format

00:00:49

passed #59699
idg-debug

00:00:44

passed #59697
idg-python

00:01:18

passed #59698
idg-release

00:01:17

passed #59700
idg-test

00:07:58

56.0%
 
  Integration And Deploy
passed #59702
ci_gpu
idg-integration-das

00:18:40

passed #59701
idg-integration-docker

00:08:58