feat: add SecureJSON func to prevent json hijacking

render/render.go

@@ -14,6 +14,7 @@ type Render interface {
 var (
 	_ Render     = JSON{}
 	_ Render     = IndentedJSON{}
+	_ Render     = SecureJSON{}
 	_ Render     = XML{}
 	_ Render     = String{}
 	_ Render     = Redirect{}