Propose some references about ci/cd solutions compatibles with gitea

* No note about theirs integration level, only a starting point.

Author: camlafit

docs/content/doc/advanced/ci-cd.en-us.md

@@ -0,0 +1,32 @@
+---
+date: "2019-08-27:00:00+02:00"
+title: "CI/CD Usage"
+slug: "ci-cd"
+weight: 40
+toc: true
+draft: false
+menu:
+  sidebar:
+    parent: "advanced"
+    name: "CI/CD Usage"
+    weight: 40
+    identifier: "ci-cd"
+---
+
+# Gitea and CI/CD
+
+NOTE: These tools are not endorsed by Gitea. They are listed here for convenience only.
+
+## Listing
+
+Some CI/CD solutions are compatibles with Gitea. As following list can't be complete, the purpose is to give a starting point to integrate a CI/CD process in your gitea.
+
+ - Drone : https://drone.io
+ - Jenkins : https://plugins.jenkins.io/gitea
+ - Agolia :  https://agola.io
+ - Buildkite : https://buildkite.com and https://github.com/techknowlogick/gitea-buildkite-connector
+
+
+Anothers CI/CD could be work with gitea as :
+ - concourse-ci : https://www.concourse-ci.org and https://discuss.concourse-ci.org/t/concourse-ci-and-gitea-oauth/1475
+