(LK-C-6) Add controlled generator (multi-qubit) support for Lightning Kokkos

[josephleekl]

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Context:
This PR adds support for 2/4-qubit controlled generator (e.g. IsingXX / SingleExcitation / DoubleExcitation) and MultiRZ to Lightning Kokkos.
Description of the Change:

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[sc-76778]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.64%. Comparing base (6abbda0) to head (f2dee3d).

Additional details and impacted files

@@                   Coverage Diff                    @@
##           lk-control-generator     #958      +/-   ##
========================================================
+ Coverage                 96.62%   96.64%   +0.01%     
========================================================
  Files                       221      221              
  Lines                     35000    35197     +197     
========================================================
+ Hits                      33820    34017     +197     
  Misses                     1180     1180              

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[AmintorDusko]

This is a good candidate for a structured binding.

Suggested change

	std::tie(parity, rev_wires) =
	reverseWires(num_qubits, wires, controlled_wires);
	auto [parity, rev_wires] = reverseWires(num_qubits, wires, controlled_wires);

[josephleekl]

changed to use structured binding now, thanks!