Fix contribution page
Fix contribution page

ODataOrg/odataorg.github.io,ODataOrg/odataorg.github.io,ralfhandl/odataorg.github.io,ralfhandl/odataorg.github.io,SAsInSumit/odataorg.github.io,mikepizzo/odataorg.github.io,mikepizzo/odataorg.github.io,OData/odataorg.github.io,SAsInSumit/odataorg.github.io,OData/odataorg.github.io