Allow custom public files (#782)

* Allow custom public files

* Gofmt code, lots of places not related to this pr

models/attachment.go

@@ -31,7 +31,6 @@ type Attachment struct {
 	CreatedUnix int64
 }
 
-
 // BeforeInsert is invoked from XORM before inserting an object of this type.
 func (a *Attachment) BeforeInsert() {
 	a.CreatedUnix = time.Now().Unix()

models/pull.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	"code.gitea.io/git"
+	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/process"
 	"code.gitea.io/gitea/modules/setting"
@@ -21,7 +22,6 @@ import (
 	api "code.gitea.io/sdk/gitea"
 	"github.com/Unknwon/com"
 	"github.com/go-xorm/xorm"
-	"code.gitea.io/gitea/modules/base"
 )
 
 var pullRequestQueue = sync.NewUniqueQueue(setting.Repository.PullRequestQueueLength)