code: public Pipeline createPipeline(Object projectIdOrPath, String ref) throws GitLabApiException {
          return (createPipeline(projectIdOrPath, ref, null));
      }
docs: Create a pipelines in a project.
  
  <pre><code>GitLab Endpoint: POST /projects/:id/pipeline</code></pre>
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @param ref reference to commit
  @return a Pipeline instance with the newly created pipeline info
  @throws GitLabApiException if any exception occurs during execution