add download counter to readme (#948)

* add download counter to readme

* Update README.md

* Update README.md

README.md

@@ -2,10 +2,10 @@
 
 # KCC
 
-
-
 [![GitHub release](https://img.shields.io/github/release/ciromattia/kcc.svg)](https://github.com/ciromattia/kcc/releases)
 [![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/ciromattia/kcc/docker-publish.yml?label=docker%20build)](https://github.com/ciromattia/kcc/pkgs/container/kcc)
+[![Github All Releases](https://img.shields.io/github/downloads/ciromattia/kcc/total.svg)]()
+
 
 **Kindle Comic Converter** optimizes comics and manga for eink readers like Kindle, Kobo, ReMarkable, and more. 
 Pages display in fullscreen without margins, with proper fixed layout support.