Fixed lint

pkg/models/metric.go

@@ -2,6 +2,7 @@ package models
 
 import "github.com/labstack/gommon/log"
 
+// Metric is the structure for metrics
 type Metric struct {
 	ID          int64 `xorm:"pk autoincr" json:"id" form:"id"`
 	Kcoins      int64 `xorm:"bigint(11)"`
@@ -9,6 +10,7 @@ type Metric struct {
 	CreatedUnix int64 `xorm:"created"`
 }
 
+// AddMetric saves a new metric point
 func AddMetric() {
 	allCommunites := []Community{}
 	err := x.Find(&allCommunites)