struct CyclicContainer <: AbstractVector{String}
    c::Vector{String}
    n::Int
end
CyclicContainer(c) = CyclicContainer(c, 0)

Base.length(c::CyclicContainer) = typemax(Int)
Base.size(c::CyclicContainer) = size(c.c)
Base.iterate(c::CyclicContainer, state=1) = Base.iterate(c.c, state)
Base.getindex(c::CyclicContainer, i) = c.c[(i-1)%length(c.c) + 1]
function Base.getindex(c::CyclicContainer)
    c.n += 1
    c[c.n]
end
Base.iterate(c::CyclicContainer, i = 1) = iterate(c.c, i)

COLORSCHEME = [
   "#233B43",
   "#499cbf",
   "#E84646",
   "#168e32",
   "#C29365",
   "#985CC9",
   "#8f8f8f"
]
COLORS = CyclicContainer(COLORSCHEME)
