fix: Add additional cache headers for documentation

- Add Pragma: no-cache
- Add Expires: 0
- Ensure documentation never cached on api.neomovies.ru

pkg/handlers/docs.go

@@ -56,6 +56,8 @@ func (h *DocsHandler) ServeDocs(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	w.Header().Set("Access-Control-Allow-Origin", "*")
 	w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
+	w.Header().Set("Pragma", "no-cache")
+	w.Header().Set("Expires", "0")
 	fmt.Fprintln(w, htmlContent)
 }