[x] Add the Scramble docker to build_docker.py, so (a) the image can be built using the script in the same way the other images are built and (b) maintained through the GitHub actions.
[x] Add Scramble to the images table and figure in the documentation.
A follow-up from https://github.com/broadinstitute/gatk-sv/pull/603#issuecomment-1749623550, this PR implements the following:
build_docker.py, so (a) the image can be built using the script in the same way the other images are built and (b) maintained through the GitHub actions.