message: Added exp-val by double depth option to the docs
diff: @@ -517,6 +517,9 @@ For the `exatn` simulator, there are additional options that users can set durin
  | mpi-communicator | The MPI communicator to initialize ExaTN runtime with. | void* | <unused> |
  | | If not provided, by default, ExaTN will use `MPI_COMM_WORLD`. | | |
  +-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  +| exp-val-by-conjugate | If true, the expectation value of *large* circuits (exceed memory | bool | false |
  +| | limit) is computed by closing the tensor network with its conjugate. | | |
  ++-----------------------------+------------------------------------------------------------------------+-------------+--------------------------+
  For the `exatn-mps` simulator, there are additional options that users can set during initialization:
  