Automatically remove \r from file list

pages/pages.go

@@ -133,6 +133,7 @@ func Movie(c *movies.Collection) http.HandlerFunc {
 			}
 
 			if files := r.FormValue("files"); files != "" {
+				files = strings.ReplaceAll(files, "\r", "")
 				m.Files = strings.Split(files, "\n")
 				fmt.Println("Update with", m)
 				c.Update(m)