[FEATURE] Add option for configuration file location

This commit adds the possibilty to set a different path than
AdditionalConfiguration.php to store the lfeditor language file
overrides.
8 jobs for master
Status Job ID Name Coverage
  Build
canceled #36
build

failed #15
build

 
  Test
canceled #17
allowed to fail
code_quality

canceled #21
allowed to fail
container_scanning

canceled #20
allowed to fail
dependency_scanning

canceled #18
allowed to fail
license_management

canceled #19
allowed to fail
sast

canceled #16
test