1. remove preview description
2. update framework of english/chinese

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

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

1. add independent namespace, service account.
2. deploy gm deployment instead of pod, service instead of host
namespace.
3. add resource limits for gm/lc.
4. add alternative command to set gm_ip.
5. unset 'Always' imagePullPolicy.

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

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

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

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

1. add the design document of the basic framework.
2. add the roadmap.
3. add the proposal of joint inference.

Signed-off-by: Jie Pu <pujie2@huawei.com>