Create testing and roll out plan for static file generation

Following completion of #2139 , #2144 , and #2145 , create the playbook for rolling out S3 conversion task.

Can be copied using AWS command line:

vendor/
                ${volume_id}.tar # compression?
                ${volume_id}.csv
                ${volume_id}.tar.sha256
misc/
    [stuff from https://case.law/download/]

AC:

[ ] Have tested each part of the conversion process
[ ] A rollout plan exists to complete conversions
[ ] Have thumbs up from another team member

harvard-lil / capstone

Create testing and roll out plan for static file generation #2146