add Fluidity to reqs.txt for the time being
add Fluidity to reqs.txt for the time being

pfmoore/invoke,alex/invoke,mattrobenolt/invoke,tyewang/invoke,pyinvoke/invoke,sophacles/invoke,pfmoore/invoke,singingwolfboy/invoke,frol/invoke,kejbaly2/invoke,kejbaly2/invoke,mkusz/invoke,mattrobenolt/invoke,frol/invoke,pyinvoke/invoke,mkusz/invoke