add options to Architect.LSTM
add options to Architect.LSTM

kessler/synaptic,code0100fun/synaptic,mcanthony/synaptic,andrewfry/synaptic,educoding/synaptic,gn6me/synaptic,Qard/synaptic,lukecleland/synaptic,mleanos/synaptic,timqian/synaptic