http response tooling written

internal/site/redirect/code.go

@@ -0,0 +1,19 @@
+package redirect
+
+import "net/http"
+
+type (
+	Code int
+)
+
+var (
+	MovedPermanently  = Code(http.StatusMovedPermanently)
+	Found             = Code(http.StatusFound)
+	SeeOther          = Code(http.StatusSeeOther)
+	TemporaryRedirect = Code(http.StatusTemporaryRedirect)
+	PermanentRedirect = Code(http.StatusPermanentRedirect)
+)
+
+func (c Code) Int() int {
+	return int(c)
+}