Added PackageTags

src/ColorBlender/ColorBlender.csproj

@@ -12,6 +12,7 @@
     <Copyright>Copyright © Wiesław Šoltés 2017</Copyright>
     <PackageLicenseUrl>https://github.com/wieslawsoltes/ColorBlender/blob/master/LICENSE.TXT</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/wieslawsoltes/ColorBlender</PackageProjectUrl>
+    <PackageTags>color;colorblender;palette;design;colors;hsv;rgb</PackageTags>
   </PropertyGroup>
 
 </Project>