Add EOL and archive policy documentation
What is your Merge about?
I based this mainly on these documents:
https://confluence.il2.dso.mil/display/IRONBANK/Container+Lifecycle+Policy#:~:text=Risk%20Radiator.pdf-,5.1.5.%20Phase%205%3A%20Archive%20/%20EOL,-The%20last%20phase https://confluence.il2.dso.mil/display/IRONBANK/Container+Lifecycle+Procedures