Update README.md

README.md

@@ -1,10 +1,21 @@
 # A [Julia](http://julialang.org) Linear Operator Package
 
-[![DOI](https://zenodo.org/badge/20136006.svg)](https://zenodo.org/badge/latestdoi/20136006)
-[![Build Status](https://github.com/JuliaSmoothOptimizers/LinearOperators.jl/workflows/CI/badge.svg?branch=master)](https://github.com/JuliaSmoothOptimizers/LinearOperators.jl/actions)
-[![Build Status](https://api.cirrus-ci.com/github/JuliaSmoothOptimizers/LinearOperators.jl.svg)](https://cirrus-ci.com/github/JuliaSmoothOptimizers/LinearOperators.jl)
-[![codecov.io](https://codecov.io/github/JuliaSmoothOptimizers/LinearOperators.jl/coverage.svg?branch=master)](https://codecov.io/github/JuliaSmoothOptimizers/LinearOperators.jl?branch=master)
-[![docs](https://img.shields.io/badge/docs-latest-3f51b5.svg)](https://JuliaSmoothOptimizers.github.io/LinearOperators.jl/latest)
+| **Documentation** | **Linux/macOS/Windows/FreeBSD** | **Coverage** | **DOI** |
+|:-----------------:|:-------------------------------:|:------------:|:-------:|
+| [![docs-stable][docs-stable-img]][docs-stable-url] [![docs-dev][docs-dev-img]][docs-dev-url] | [![build-gh][build-gh-img]][build-gh-url] [![build-cirrus][build-cirrus-img]][build-cirrus-url] | [![codecov][codecov-img]][codecov-url] | [![doi][doi-img]][doi-url] |
+
+[docs-stable-img]: https://img.shields.io/badge/docs-stable-blue.svg
+[docs-stable-url]: https://JuliaSmoothOptimizers.github.io/LinearOperators.jl/stable
+[docs-dev-img]: https://img.shields.io/badge/docs-dev-purple.svg
+[docs-dev-url]: https://JuliaSmoothOptimizers.github.io/LinearOperators.jl/dev
+[build-gh-img]: https://github.com/JuliaSmoothOptimizers/LinearOperators.jl/workflows/CI/badge.svg?branch=master
+[build-gh-url]: https://github.com/JuliaSmoothOptimizers/LinearOperators.jl/actions
+[build-cirrus-img]: https://img.shields.io/cirrus/github/JuliaSmoothOptimizers/LinearOperators.jl?logo=Cirrus%20CI
+[build-cirrus-url]: https://cirrus-ci.com/github/JuliaSmoothOptimizers/LinearOperators.jl
+[codecov-img]: https://codecov.io/gh/JuliaSmoothOptimizers/LinearOperators.jl/branch/master/graph/badge.svg
+[codecov-url]: https://app.codecov.io/gh/JuliaSmoothOptimizers/LinearOperators.jl
+[doi-img]: https://zenodo.org/badge/20136006.svg
+[doi-url]: https://zenodo.org/badge/latestdoi/20136006
 
 ## How to Cite
 
@@ -16,7 +27,7 @@ Operators behave like matrices (with some exceptions - see below) but are define
 
 ## Compatibility
 
-Julia 1.0 and up.
+Julia 1.3 and up.
 
 ## How to Install