Add a tag '_speed_buildx_for_cgo_alpine' for Dockerfiles:
1. require golang with CGO_ENABLED=1
2. use alpine image.

So used in 'build/lc/Dockerfile'

Signed-off-by: llhuii <liulinghui@huawei.com>

We use docker-buildx to build our components images for different
platforms.

But for some languages, such as golang, have good builtin build for
multi platforms, and buildx support that.
In Sedna, we have GM/LC written by golang. This commit supports this
function.

Signed-off-by: llhuii <liulinghui@huawei.com>

Signed-off-by: JimmyYang20 <yangjin39@huawei.com>

control plane images support amd64/arm64
add a workerflow action: docker_cross_build

Signed-off-by: JimmyYang20 <yangjin39@huawei.com>

also add a python script used to generate the copyright

Signed-off-by: llhuii <liulinghui@huawei.com>

Signed-off-by: llhuii <liulinghui@huawei.com>

1. remove unused code
2. fix bin path
3. merge image rules into one

Signed-off-by: llhuii <liulinghui@huawei.com>

Signed-off-by: llhuii <liulinghui@huawei.com>

1. basic hack scripts.
2. dataset/model/joint-inference API.
3. commom go files: pkg/version, pkg/util, go.mod, go.sum.
4. client-gen generated files for API.
5. golangci.yml

Signed-off-by: llhuii <liulinghui@huawei.com>