message: More docs for TNQVM
diff: @@ -510,6 +510,30 @@ For the `exatn` simulator, there are additional options that users can set durin
  | | If not provided, by default, ExaTN will use `MPI_COMM_WORLD`. | | |
  +-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +For the `exatn-mps` simulator, there are additional options that users can set during initialization:
  +
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| Initialization Parameter | Parameter Description | type | default |
  ++=============================+========================================================================+=============+==========================+
  +| svd-cutoff | SVD cut-off limit. | double | numeric_limits::min |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| max-bond-dim | Max bond dimension to keep. | int | no limit |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| mpi-communicator | The MPI communicator to initialize ExaTN runtime with. | void* | <unused> |
  +| | If not provided, by default, ExaTN will use `MPI_COMM_WORLD`. | | |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +
  +For the `exatn-pmps` simulator, there are additional options that users can set during initialization:
  +
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| Initialization Parameter | Parameter Description | type | default |
  ++=============================+========================================================================+=============+==========================+
  +| backend-json | Backend configuration JSON to estimate the noise model from. | string | None |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| backend | Name of the IBMQ backend to query the backend configuration. | string | None |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +
  +If either `backend-json` or `backend` is provided, the `exatn-pmps` simulator will simulate the backend noise associated with each quantum gate.
  QuaC
  ++++
  