new examples: 1D advection comparison against Trixi.jl #605
Description
see the polynomial degree-0 1D setup in https://github.com/trixi-framework/Trixi.jl/blob/main/examples/tree_1d_dgsem/elixir_advection_finite_volume.jl
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see the polynomial degree-0 1D setup in https://github.com/trixi-framework/Trixi.jl/blob/main/examples/tree_1d_dgsem/elixir_advection_finite_volume.jl