- add badges for total downloads from SourceForge and Chocolatey

- add links for all badges

README.md

@@ -81,7 +81,7 @@ title="More information in the wiki"><img src="https://ds0k0en9abmn1.cloudfront.
 
 
 ## Downloads
-<img src="https://img.shields.io/github/downloads/gitextensions/gitextensions/total.svg?maxAge=86400" alt="GitHub Releases (latest)"></a>
+<a href="https://github.com/gitextensions/gitextensions/releases" rel="nofollow" style="vertical-align: -webkit-baseline-middle;"><img src="https://img.shields.io/github/downloads/gitextensions/gitextensions/total.svg?label=GitHub%20downloads%20(total)&cacheSeconds=86400"></a> <a href="https://sourceforge.net/projects/gitextensions/files" rel="nofollow" style="vertical-align: -webkit-baseline-middle;"><img src="https://img.shields.io/sourceforge/dt/gitextensions.svg?label=SourceForge%20downloads%20(total)&cacheSeconds=86400"></a> <a href="https://chocolatey.org/packages/gitextensions" rel="nofollow" style="vertical-align: -webkit-baseline-middle;"><img src="https://img.shields.io/chocolatey/dt/gitextensions.svg?label=Chocolatey%20downloads%20(total)&cacheSeconds=86400"></a>
 
 <table>
   <tr>