Add basic build machinery for CI

[jastang]

Description of your changes

Support the build submodule so we can set up our CI pipelines as a follow-up.

I have:

• Read and followed Upbound's contribution process.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR, as appropriate.

How has this code been tested

➜  configuration-caas git:(build-machinery) ✗ VERSION=v0.0.2 make build
11:34:13 [ .. ] installing up v0.18.0
11:34:16 [ OK ] installing up v0.18.0
11:34:17 [ .. ] Building package configuration-caas-v0.0.2.xpkg for linux_arm64
xpkg saved to /Users/jasontang/workspace/hacking/configuration-caas/_output/xpkg/linux_arm64/configuration-caas-v0.0.2.xpkg
11:34:20 [ OK ] Built package configuration-caas-v0.0.2.xpkg for linux_arm64

Also checked the package.yaml from up xpkg xp-extract [...] .