set_gate(...) to pass basic grob parametersadd add-background.R
update examples
parse dots in qgates.R using list(...), and remove match.call(dots=TRUE)
update examples
qgates.Rupdate *_shape in set_gate()
update examples
tests/testthat/test-qcircuit.Rqgates.Rwire_lwd in set_gate(), and polish gate_swap() accordinglypolish grid parameters in set_gate(), build_circuit_layout() and set_qubits()
update examples
data.table to prepare qubits and qgate