add TensorSpace.js to the gallery (#909)
add TensorSpace.js to the gallery (#909)

* add TensorSpace.js to the gallery

tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs,mnottheone/deeplearnjs,tensorflow/tfjs,mnottheone/deeplearnjs,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs,mnottheone/deeplearnjs,mnottheone/deeplearnjs,tensorflow/tfjs,tensorflow/tfjs