docs: sync from 664df273f6de4e4702a810139169be11c3e86818
docs: sync from 066431b8e21340b8b0c225ac00818b4337fb8049
docs: sync from 3a4346a31ad521a2148b28c87981c7ba1ff4e100
docs: populate wiki from docs/ (Home, Configuration, Shutdown-Targets, Deployment, Architecture)