Renamed wekan/wekan branch master to main.
Updated Keycloak (markdown)
Fix links from devel to master branch.
Simplified Keycloak setup thanks to Commit: https://github.com/wekan/wekan/commit/bdbbb12f967f7e4f605e6c3310290180f6c8c6d1
Fix Keycloak installation with latest version of Wekan
Updated Keycloak OIDC Integration (markdown)