[x] setup CIs and badges correctly. travis CI is the most widedly used CI and you do not need so many CIs.
[ ] setup tests properly. Tests should be composed of assertion expressions like @test .... All test files should be included in runtests.jl. Check https://docs.julialang.org/en/v1/stdlib/Test/
@test .... All test files should be included inruntests.jl. Check https://docs.julialang.org/en/v1/stdlib/Test/