replace references to bigbang.dev with dev.bigbang.mil

General MR

Summary

Remove references to old DNS from docs and replace with dev.bigbang.mil

Adds arg_version=latest to quickstart.sh. Currently declared without a value, when --version is omitted, the latest resolution block does not run.

Relevant logs/screenshots

n/a

Linked Issue

Closes #3398 (closed)

Closes #3397 (closed)

Upgrade Notices

N/A