Add badges from Juliahub (#186)

Badges for latest version, number of dependents and PkgEval

Author: jishnub

README.md

@@ -3,6 +3,9 @@
 
 [![Build Status](https://github.com/JuliaArrays/FillArrays.jl/workflows/CI/badge.svg)](https://github.com/JuliaArrays/FillArrays.jl/actions)
 [![codecov](https://codecov.io/gh/JuliaArrays/FillArrays.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaArrays/FillArrays.jl)
+[![deps](https://juliahub.com/docs/FillArrays/deps.svg)](https://juliahub.com/ui/Packages/FillArrays/2Dg1l?t=2)
+[![version](https://juliahub.com/docs/FillArrays/version.svg)](https://juliahub.com/ui/Packages/FillArrays/2Dg1l)
+[![pkgeval](https://juliahub.com/docs/FillArrays/pkgeval.svg)](https://juliahub.com/ui/Packages/FillArrays/2Dg1l)
 
 Julia package to lazily represent matrices filled with a single entry,
 as well as identity matrices.  This package exports the following types: