move options to dedicated package

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

client/client_call_options.go

@@ -2,22 +2,24 @@ package client
 
 import (
 	"context"
+
+	"go.unistack.org/micro/v4/options"
 )
 
 type clientCallOptions struct {
 	Client
-	opts []CallOption
+	opts []options.Option
 }
 
-func (s *clientCallOptions) Call(ctx context.Context, req Request, rsp interface{}, opts ...CallOption) error {
+func (s *clientCallOptions) Call(ctx context.Context, req Request, rsp interface{}, opts ...options.Option) error {
 	return s.Client.Call(ctx, req, rsp, append(s.opts, opts...)...)
 }
 
-func (s *clientCallOptions) Stream(ctx context.Context, req Request, opts ...CallOption) (Stream, error) {
+func (s *clientCallOptions) Stream(ctx context.Context, req Request, opts ...options.Option) (Stream, error) {
 	return s.Client.Stream(ctx, req, append(s.opts, opts...)...)
 }
 
 // NewClientCallOptions add CallOption to every call
-func NewClientCallOptions(c Client, opts ...CallOption) Client {
+func NewClientCallOptions(c Client, opts ...options.Option) Client {
 	return &clientCallOptions{c, opts}
 }