Feat extend main arithmetic operations

[Tom-Finke]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 93.33333% with 5 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/arithmetic.jl	90.90%	3 Missing ⚠️
src/unencrypted.jl	87.50%	2 Missing ⚠️

Files with missing lines	Coverage Δ
examples/simple_array_operations.jl	100.00% <100.00%> (ø)
examples/simple_matrix_operations.jl	100.00% <100.00%> (ø)
examples/simple_real_numbers.jl	100.00% <100.00%> (ø)
src/openfhe.jl	95.82% <100.00%> (+0.21%)	⬆️
src/unencrypted.jl	95.94% <87.50%> (-2.33%)	⬇️
src/arithmetic.jl	94.00% <90.90%> (-6.00%)	⬇️

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