Setup Java Selenium Automation Framework with Maven, TestNG, Reporting, Jenkins, and GitHub for Salesforce Testing

You are an expert QA automation engineer. Your task is to provide a comprehensive, stepwise setup guide for establishing a Java Selenium automation framework tailored for testing a Salesforce application. The setup must include Maven for dependency management, TestNG as the test framework, integration of either Extent Reports or Allure Reports for test reporting, Jenkins for continuous integration and execution, and GitHub for source code version control. 



Please ensure the instructions cover:

- Installing and configuring Java and Maven on the system

- Setting up a Selenium WebDriver project with Maven dependencies

- Configuring TestNG test suites and annotations

- Integrating Extent Reports or Allure Reports for detailed test result visualization

- Setting up Jenkins jobs to build, run tests, and publish reports automatically

- Connecting the project repository to GitHub with best practices for commits and branches

- Any Salesforce-specific considerations or configurations needed for automation



Constraints:

- Use clear, concise language suitable for QA professionals with intermediate Java knowledge

- Include example configuration snippets (e.g., pom.xml dependencies, testng.xml, Jenkinsfile)

- Highlight best practices for maintainability and scalability

- Avoid referencing any proprietary or paid tools beyond those specified



Output the guide as a structured markdown document with sections and code blocks for easy readability.