Update badges to be only links, and not load remote images.

Thanks to xet7 !

README.md

@@ -1,17 +1,13 @@
-[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/wekan/wekan)
+[Gitpod Ready-to-Code](https://gitpod.io/#https://github.com/wekan/wekan)
 
 # WeKan ® - Open Source kanban
 
-[![Contributors](https://img.shields.io/github/contributors/wekan/wekan.svg "Contributors")](https://github.com/wekan/wekan/graphs/contributors)
-[![Docker Repository on Quay](https://quay.io/repository/wekan/wekan/status "Docker Repository on Quay")](https://quay.io/repository/wekan/wekan)
-[![Docker Hub container status](https://img.shields.io/docker/build/wekanteam/wekan.svg "Docker Hub container status")](https://hub.docker.com/r/wekanteam/wekan)
-[![Docker Hub pulls](https://img.shields.io/docker/pulls/wekanteam/wekan.svg "Docker Hub Pulls")](https://hub.docker.com/r/wekanteam/wekan)
-[![Wekan Build Status][travis_badge]][travis_status]
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/02137ecec4e34c5aa303f57637196a93 "Codacy Badge")](https://www.codacy.com/app/xet7/wekan?utm_source=github.com&utm_medium=referral&utm_content=wekan/wekan&utm_campaign=Badge_Grade)
-[![Code Climate](https://codeclimate.com/github/wekan/wekan/badges/gpa.svg "Code Climate")](https://codeclimate.com/github/wekan/wekan)
-[![Project Dependencies](https://david-dm.org/wekan/wekan.svg "Project Dependencies")](https://david-dm.org/wekan/wekan)
-[![Code analysis at Open Hub](https://img.shields.io/badge/code%20analysis-at%20Open%20Hub-brightgreen.svg "Code analysis at Open Hub")](https://www.openhub.net/p/wekan)
-[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/4619/badge)](https://bestpractices.coreinfrastructure.org/projects/4619)
+[Docker Container at Quay](https://quay.io/repository/wekan/wekan)
+[Docker Container at Docker Hub](https://hub.docker.com/r/wekanteam/wekan)
+[Code Climate](https://codeclimate.com/github/wekan/wekan)
+[Code analysis at Open Hub](https://www.openhub.net/p/wekan)
+[OSS Insight](https://ossinsight.io/analyze/wekan/wekan)
+[CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/4619)
 
 ## [Translate WeKan ® at Transifex](https://transifex.com/wekan/wekan)
 
@@ -112,8 +108,6 @@ with [Meteor](https://www.meteor.com).
 [wekan_issues]: https://github.com/wekan/wekan/issues
 [wekan_issues]: https://github.com/wekan/wekan/issues
 [docker_image]: https://hub.docker.com/r/wekanteam/wekan/
-[travis_badge]: https://travis-ci.org/wekan/wekan.svg?branch=devel
-[travis_status]: https://travis-ci.org/wekan/wekan
 [wekan_wiki]: https://github.com/wekan/wekan/wiki
 [translate_wekan]: https://www.transifex.com/wekan/wekan/
 [open_source]: https://en.wikipedia.org/wiki/Open-source_software