enable cache for build, closes #8 (#12)

* enable cache for build, closes #8
* goimports
* lint fixes

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

broker/nats/nats.go

@@ -7,11 +7,11 @@ import (
 	"strings"
 	"sync"
 
+	nats "github.com/nats-io/nats.go"
 	"github.com/unistack-org/micro/v3/broker"
 	"github.com/unistack-org/micro/v3/codec/json"
 	"github.com/unistack-org/micro/v3/logger"
 	"github.com/unistack-org/micro/v3/registry/mdns"
-	nats "github.com/nats-io/nats.go"
 )
 
 type natsBroker struct {

broker/nats/nats_test.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/unistack-org/micro/v3/broker"
 	nats "github.com/nats-io/nats.go"
+	"github.com/unistack-org/micro/v3/broker"
 )
 
 var addrTestCases = []struct {

broker/nats/options.go

@@ -1,8 +1,8 @@
 package nats
 
 import (
-	"github.com/unistack-org/micro/v3/broker"
 	nats "github.com/nats-io/nats.go"
+	"github.com/unistack-org/micro/v3/broker"
 )
 
 type optionsKey struct{}