internal: move packages under this directory (#5836)

* Rename pkg -> internal

* Rename routes -> route

* Move route -> internal/route

* Rename models -> db

* Move db -> internal/db

* Fix route2 -> route

* Move cmd -> internal/cmd

* Bump version

internal/cmd/cmd.go

@@ -0,0 +1,42 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"time"
+
+	"github.com/urfave/cli"
+)
+
+func stringFlag(name, value, usage string) cli.StringFlag {
+	return cli.StringFlag{
+		Name:  name,
+		Value: value,
+		Usage: usage,
+	}
+}
+
+func boolFlag(name, usage string) cli.BoolFlag {
+	return cli.BoolFlag{
+		Name:  name,
+		Usage: usage,
+	}
+}
+
+func intFlag(name string, value int, usage string) cli.IntFlag {
+	return cli.IntFlag{
+		Name:  name,
+		Value: value,
+		Usage: usage,
+	}
+}
+
+func durationFlag(name string, value time.Duration, usage string) cli.DurationFlag {
+	return cli.DurationFlag{
+		Name:  name,
+		Value: value,
+		Usage: usage,
+	}
+}