chore: add golangci-lint config file (#2519)

* chore: add golangci-lint config file

* chore: member alignment

core/conf/config_test.go

@@ -105,7 +105,6 @@ d = "abcd!@#112"
 	assert.Equal(t, 1, val.B)
 	assert.Equal(t, "2", val.C)
 	assert.Equal(t, "abcd!@#112", val.D)
-
 }
 
 func TestConfigJsonEnv(t *testing.T) {

core/limit/tokenlimit.go

@@ -60,8 +60,8 @@ type TokenLimiter struct {
 	timestampKey   string
 	rescueLock     sync.Mutex
 	redisAlive     uint32
-	rescueLimiter  *xrate.Limiter
 	monitorStarted bool
+	rescueLimiter  *xrate.Limiter
 }
 
 // NewTokenLimiter returns a new TokenLimiter that allows events up to rate and permits

core/logx/writer.go

@@ -361,7 +361,6 @@ func writePlainText(writer io.Writer, level, msg string, fields ...string) {
 	if _, err := writer.Write(buf.Bytes()); err != nil {
 		log.Println(err.Error())
 	}
-
 }
 
 func writePlainValue(writer io.Writer, level string, val interface{}, fields ...string) {

core/mapping/unmarshaler.go

@@ -139,7 +139,6 @@ func (u *Unmarshaler) processAnonymousFieldOptional(field reflect.StructField, v
 				filled = true
 				maybeNewValue(field, value)
 				indirectValue = reflect.Indirect(value)
-
 			}
 			if err = u.processField(subField, indirectValue.Field(i), m, fullName); err != nil {
 				return err