rlmesh_env_factory_make
Stamps tags, branch parameters and reset-option keys on the made env. On RLMESH_OK exactly one of *out_env / *out_vector_env is non-NULL (the caller's) and the other is set to NULL; on any other status neither is written.
RLMeshStatus rlmesh_env_factory_make(
RLMeshEnvFactory* factory,
const RLMeshValue* kwargs,
RLMeshEnv** out_env,
RLMeshVectorEnv** out_vector_env
)