Add python-rdflib to README deps
Add python-rdflib to README deps

It is needed to create the SPDX license file.

nivertech/duktape,haosu1987/duktape,tassmjau/duktape,skomski/duktape,jmptrader/duktape,markand/duktape,harold-b/duktape,nivertech/duktape,eddieh/duktape,pombredanne/duktape,kphillisjr/duktape,jmptrader/duktape,rwaldron/duktape,reqshark/duktape,zeropool/duktape,markand/duktape,skomski/duktape,pombredanne/duktape,svaarala/duktape,tassmjau/duktape,haosu1987/duktape,daimajia/duktape,kphillisjr/duktape,nivertech/duktape,rwaldron/duktape,zeropool/duktape,thurday/duktape,chenyaqiuqiu/duktape,eddieh/duktape,sloth4413/duktape,skomski/duktape,chenyaqiuqiu/duktape,haosu1987/duktape,thurday/duktape,sloth4413/duktape,daimajia/duktape,zeropool/duktape,jmptrader/duktape,nivertech/duktape,chenyaqiuqiu/duktape,daimajia/duktape,chenyaqiuqiu/duktape,thurday/duktape,harold-b/duktape,rwaldron/duktape,tassmjau/duktape,harold-b/duktape,svaarala/duktape,markand/duktape,chenyaqiuqiu/duktape,eddieh/duktape,tassmjau/duktape,sloth4413/duktape,jmptrader/duktape,eddieh/duktape,skomski/duktape,svaarala/duktape,kphillisjr/duktape,nivertech/duktape,skomski/duktape,sloth4413/duktape,tassmjau/duktape,tassmjau/duktape,harold-b/duktape,harold-b/duktape,kphillisjr/duktape,zeropool/duktape,tassmjau/duktape,pombredanne/duktape,sloth4413/duktape,kphillisjr/duktape,kphillisjr/duktape,reqshark/duktape,nivertech/duktape,haosu1987/duktape,haosu1987/duktape,tassmjau/duktape,nivertech/duktape,pombredanne/duktape,sloth4413/duktape,reqshark/duktape,chenyaqiuqiu/duktape,rwaldron/duktape,skomski/duktape,sloth4413/duktape,nivertech/duktape,daimajia/duktape,markand/duktape,zeropool/duktape,haosu1987/duktape,zeropool/duktape,jmptrader/duktape,svaarala/duktape,thurday/duktape,kphillisjr/duktape,haosu1987/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,thurday/duktape,eddieh/duktape,haosu1987/duktape,reqshark/duktape,skomski/duktape,reqshark/duktape,harold-b/duktape,markand/duktape,zeropool/duktape,chenyaqiuqiu/duktape,reqshark/duktape,kphillisjr/duktape,harold-b/duktape,daimajia/duktape,pombredanne/duktape,pombredanne/duktape,svaarala/duktape,thurday/duktape,haosu1987/duktape,reqshark/duktape,sloth4413/duktape,zeropool/duktape,markand/duktape,pombredanne/duktape,sloth4413/duktape,svaarala/duktape,kphillisjr/duktape,nivertech/duktape,jmptrader/duktape,markand/duktape,sloth4413/duktape,jmptrader/duktape,reqshark/duktape,jmptrader/duktape,harold-b/duktape,tassmjau/duktape,svaarala/duktape,markand/duktape,reqshark/duktape,tassmjau/duktape,zeropool/duktape,thurday/duktape,nivertech/duktape,haosu1987/duktape,skomski/duktape,chenyaqiuqiu/duktape,zeropool/duktape,skomski/duktape,reqshark/duktape,skomski/duktape,eddieh/duktape,harold-b/duktape,markand/duktape,svaarala/duktape,eddieh/duktape,jmptrader/duktape,thurday/duktape,eddieh/duktape,pombredanne/duktape,harold-b/duktape,markand/duktape,eddieh/duktape,daimajia/duktape,svaarala/duktape,rwaldron/duktape,pombredanne/duktape,thurday/duktape,thurday/duktape,pombredanne/duktape,chenyaqiuqiu/duktape,eddieh/duktape,rwaldron/duktape