v0.11.92

Changes

cross compile arm7 32bit and arm8 64bit containers (#1409)
removed unused dockerfiles and created new ones for the armv7 and arm64 builds

Docker image

Docker image is available in Zalando's Open Source registry:

docker run -it registry.opensource.zalan.do/pathfinder/skipper:v0.11.92 skipper --help
# arm64
docker run -it registry.opensource.zalan.do/pathfinder/skipper-arm64:v0.11.92 skipper --help
# arm v7 32bit
docker run -it registry.opensource.zalan.do/pathfinder/skipper-armv7:v0.11.92 skipper --help

ARM container are not available, because of a pipeline miss configuration #1411