message: Adapt CONTRIBUTING.md
diff: # How to Contribute?
  ## Project members
  -
  - Create an issue
  - Create a branch for that issue with the naming:
  `feature/{ticket-no}-{description-separated-by-dashes}`
  - Develop your code
  - Commit and push in regular intervalls
  - Run the tests locally
  -- Add a line to the [CHANGELOG.md](https://github.com/h-da/geli/blob/develop/CHANGELOG.md) under the "NEXT" section
  +- Add a line to the [CHANGELOG.md](https://github.com/h-da/geli/blob/develop/CHANGELOG.md) under the "NEXT" section in the form `- a short text to describe [#123](https://github.com/h-da/geli/issues/123)`
  - Open a Pull-Request
  - If CI/Coverage give their OK we can merge
  - The PR gets merged to `develop`, which will push a new Docker-Image-Version with the tag `develop` and `latest`
  - The staging-system will then be updated to the latest Image from Docker-Hub
  - If we have enough features we will merge the `develop` into the `master` branch, which will add
  - a new 'stable' image on Docker-Hub.
  + a new 'stable' image on Docker-Hub. Before we do this, the new version needs to be updated in several `package.json`s and the `CHANGELOG.md`.
  The livesysten then pulls that new image and starts up with the latest stable version
  -If we have a small bugfixes we create a `bugfix/{descriptive-name}` and open a PR, issues are not required
  +If we have small bugfixes we create a `bugfix/{descriptive-name}` and open a PR, issues are not required
  for that. But it's important to have a good description of the bugfix in the PR-Comment.
  -If it is not small please create a issue for it so we can decide the importance of it.
  +If it is not a small bug please create a issue for it so we can decide the importance of it.
  ## Branching model
  -
  We are using a slightly modified [GitFlow](https://datasift.github.io/gitflow/IntroducingGitFlow.html) branching strategy.
  ## Commit messages
  -
  Please adhere to the principles described [here](https://chris.beams.io/posts/git-commit/) for
  writing commit messages.
  