how to build k3s use pure go

[ningmingxiao]

how to build k3s use pure go like containerd

[brandond]

We do not have the resources to walk people through building K3s locally, or making modifications to to how k3s is built. Run make ci, and look at the makefile and build scripts.

[dereknola]

You can also look at the https://github.com/k3s-io/k3s/blob/main/Dockerfile.local for a much "simpler structured" build process for k3s binary.