Destroyed How to contribute (markdown)

docs/content/how-to-contribute.md

@@ -1,24 +0,0 @@
-`docker-mailserver` is OpenSource. That means that you can contribute on enhancements, bug fixing or improving the documentation in the Wiki.
-
-#### Project architecture
-
-    ├── config                    # User: personal configurations
-    ├── target                    # Developer: default server configurations
-    └── test                      # Developer: integration tests
-
-#### Development Workflow
-
-The development workflow is the following:
-
-- Fork project and clone your fork
-- Create a branch using `git checkout -b branch_name`
-- Code :-)
-- Add integration tests in `test/tests.bats`
-- Use `make` to build image locally and run tests
-- Document your improvements
-- [Commit](https://help.github.com/articles/closing-issues-via-commit-messages/), push and make a pull-request
-- Pull-request is automatically tested on Travis
-- When tests are green, your branch is merged into `master`
-- `master` is automatically tested on Travis
-- Docker builds a new `latest` image
-