update some comments

dtmsvr/storage/boltdb/boltdb.go

@@ -4,6 +4,7 @@
  * license that can be found in the LICENSE file.
  */
 
+// package boltdb implement the storage for boltdb
 package boltdb
 
 import (

dtmsvr/storage/redis/redis.go

@@ -4,6 +4,7 @@
  * license that can be found in the LICENSE file.
  */
 
+// package reds implement the storage for reds
 package redis
 
 import (

dtmsvr/storage/sql/sql.go

@@ -4,6 +4,7 @@
  * license that can be found in the LICENSE file.
  */
 
+// package boltdb implement the storage for sql database
 package sql
 
 import (

helper/golint.sh

@@ -1,4 +1,4 @@
 set -x
 
-curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.46.2
+curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.53.3
 $(go env GOPATH)/bin/golangci-lint run

main.go

@@ -4,6 +4,7 @@
  * license that can be found in the LICENSE file.
  */
 
+// package main is the entry of dtm server
 package main
 
 import (