* rename service to coord for cmd
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* update docs
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* update variable name
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* optimize roles.go
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* support milvus run standalone
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* remove cmd/standalone
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* fix static-check
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* rename proxynode to proxy
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* rename service to coord for compoments
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* add comments for codacy check
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>

* set helm chart branch
Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>