add stages.

5 jobs for develop
latest
Name Stage Failure
failed
build Build There is an unknown failure, please try again
Pulling docker image maven:3.3.9-jdk-8 ...
Using docker image maven:3.3.9-jdk-8 ID=sha256:9997d8483b2fc521a4159feab922546dda0c5c22b5084f86dfab48f123ae4364 for build container...
Running on runner-0fe43084-project-17-concurrent-0 via gitlab-runner-1...
Fetching changes...
Removing target/
error: object file .git/objects/54/05001b88a6c04c2c172dc85871e9e28c95a327 is empty
error: object file .git/objects/54/05001b88a6c04c2c172dc85871e9e28c95a327 is empty
fatal: loose object 5405001b88a6c04c2c172dc85871e9e28c95a327 (stored in .git/objects/54/05001b88a6c04c2c172dc85871e9e28c95a327) is corrupt
ERROR: Job failed: exit code 1