multiplatform docker build

https://gitlab.com/everwell/platform/-/issues/15136

changes

• removed unwanted registry/target/ directory and updated .gitignore
• updated .gitlab-ci and Dockerfiles to support the arm64 platform
• updated rabbitmq, redis, and postgres images to support the arm64 platform
• updated openhie/packages/everwell/docker/compose.sh to download docker-compose according to os and architecture