new badge on readme

Author: dehann

README.md

@@ -3,17 +3,17 @@
 Click on badges to follow links:
 
 Release v0.13 | Release v0.14 | Dev | Coverage | Documentation |
----------|---------|-----|------------|------------|
-[![Build Status][dfg-build-v0.13]][dfg-build-url] | [![Build Status][dfg-build-v0.14]][dfg-build-url] | [![Build Status][dfg-build-img]][dfg-build-url] <br> [![Average time to resolve an issue](https://isitmaintained.com/badge/resolution/JuliaRobotics/DistributedFactorGraphs.jl.svg)](https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/issues) | [![codecov.io][dfg-cov-img]][dfg-cov-url] <br> [![Percentage of issues still open](https://isitmaintained.com/badge/open/JuliaRobotics/DistributedFactorGraphs.jl.svg)](https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/issues) | [![docs](https://img.shields.io/badge/DFGDocs-latest-blue.svg)](http://juliarobotics.github.io/DistributedFactorGraphs.jl/latest/) <br> [![docs](https://img.shields.io/badge/CaesarDocs-latest-blue.svg)](http://juliarobotics.github.io/Caesar.jl/latest/)
+--------------|---------------|-----|----------|---------------|
+[![Build Status][dfg-build-v0.13]][dfg-build-url] | [![Build Status][dfg-build-v0.14]][dfg-build-url] | [![CI][dfg-build-img]][dfg-build-url] <br> [![Average time to resolve an issue](https://isitmaintained.com/badge/resolution/JuliaRobotics/DistributedFactorGraphs.jl.svg)](https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/issues) | [![codecov.io][dfg-cov-img]][dfg-cov-url] <br> [![Percentage of issues still open](https://isitmaintained.com/badge/open/JuliaRobotics/DistributedFactorGraphs.jl.svg)](https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/issues) | [![docs](https://img.shields.io/badge/DFGDocs-latest-blue.svg)](http://juliarobotics.github.io/DistributedFactorGraphs.jl/latest/) <br> [![docs](https://img.shields.io/badge/CaesarDocs-latest-blue.svg)](http://juliarobotics.github.io/Caesar.jl/latest/)
 
 
 [dfg-build-v0.13]: https://travis-ci.org/JuliaRobotics/DistributedFactorGraphs.jl.svg?branch=release/v0.13
 [dfg-build-v0.14]: https://travis-ci.org/JuliaRobotics/DistributedFactorGraphs.jl.svg?branch=release/v0.14
 
 [dfg-cov-img]: https://codecov.io/github/JuliaRobotics/DistributedFactorGraphs.jl/coverage.svg?branch=master
 [dfg-cov-url]: https://codecov.io/github/JuliaRobotics/DistributedFactorGraphs.jl?branch=master
-[dfg-build-img]: https://travis-ci.org/JuliaRobotics/DistributedFactorGraphs.jl.svg?branch=master
-[dfg-build-url]: https://travis-ci.org/JuliaRobotics/DistributedFactorGraphs.jl
+[dfg-build-img]: https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/actions/workflows/ci.yml/badge.svg
+[dfg-build-url]: https://github.com/JuliaRobotics/DistributedFactorGraphs.jl/actions/workflows/ci.yml
 
 DistributedFactorGraphs.jl provides a flexible factor graph API for use in the [Caesar.jl](https://github.com/JuliaRobotics/Caesar.jl) ecosystem. The package supplies:
 * A standardized API for interacting with factor graphs