add Conda-forge link

Author: ImreSamu

osmium-tool/index.html

@@ -59,12 +59,13 @@ <h2>Download</h2>
 <p>Current and past releases can be downloaded from
 <a href="https://github.com/osmcode/osmium-tool/releases">GitHub</a>.</p>
 
-<p>Packages are available for several Linux distributions and macOS:</p>
+<p>Packages are available for several Linux distributions, Windows and macOS:</p>
 
 <ul>
     <li><a href="https://packages.debian.org/source/osmium-tool">Debian/Ubuntu</a> (including backports)</li>
     <li><a href="https://src.fedoraproject.org/rpms/osmium-tool">Fedora</a></li>
     <li><a href="https://formulae.brew.sh/formula/osmium-tool">macOS (Homebrew)</a></li>
+    <li><a href="https://anaconda.org/conda-forge/osmium-tool">Conda-forge (linux-64, osx-64, win-64)</a></li>
 </ul>
 
 <a href="https://repology.org/project/osmium-tool/versions"><img src="https://repology.org/badge/tiny-repos/osmium-tool.svg" alt="Packaging status"/></a>