docs: add Lux to the list of packages using LV (#536)

Author: avik-pal

README.md

@@ -396,5 +396,6 @@ Similar approaches can be taken to make kernels working with a variety of numeri
 * [VectorizedReduction.jl](https://github.com/andrewjradcliffe/VectorizedReduction.jl)
 * [DynamicExpressions.jl](https://github.com/SymbolicML/SymbolicRegression.jl)
 * [PySR](https://github.com/MilesCranmer/PySR) and [SymbolicRegression.jl](https://github.com/MilesCranmer/SymbolicRegression.jl)
+* [Lux.jl](https://github.com/LuxDL/Lux.jl) and [LuxLib.jl](https://github.com/LuxDL/LuxLib.jl)
 
 If you're using LoopVectorization, please feel free to file a PR adding yours to the list!