Initial task to establish the repository structure (it must be copied as a first issue to new repos)

[ariwk]

• This repository fulfils all the requirements mentioned in the SBB Open Source Guidelines
• Set Description and Tags: polarion, polarion-alm, polarion-extension
• General configuration must be set as https://github.com/SchweizerischeBundesbahnen/open-source-polarion-java-repo-template/settings
• Branch protection rules must be configured as https://github.com/SchweizerischeBundesbahnen/open-source-polarion-java-repo-template/settings/branches
• Update README.md file containing all the basic information about your project
• License files must be always inherited from template
• CONTRIBUTING.md file must be always inherited from the template
• CODE_OF_CONDUCT.md file will be linked from the organisation
• CODING_STANDTARDS file must be always inherited from the template
• SECURITY.md file will be linked from the organisation
• CHANGELOG.md file must be generated automatically by the Release Please GitHub action
• RELEASE.md file must be always inherited from the template for the standardised release procedure
• Have CI/CD been setup for the basic structure
• Configure secrets for actions for S3 and OSSRH
• Setup App Renovate for the repository
• /.github/CODEOWNERS
• /.github/pull_request_template.md
• /.github/ISSUE_TEMPLATE/issue_template.md
• OPTIONAL: /.github/DISCUSSION_TEMPLATE/discussion_template.md

--- Tasks after the repository is set to PUBLIC ---

• Code Security and analysis must be configured as https://github.com/SchweizerischeBundesbahnen/open-source-polarion-java-repo-template/settings/security_analysis
• Set "Require approval for all outside collaborators" for PR from forks in https://github.com/SchweizerischeBundesbahnen/open-source-polarion-java-repo-template/settings/actions
• remove "-Dnexus-staging-maven-plugin.autoReleaseAfterClose=false" from .github/workflows/maven-release.yml OR set to true
• Release versions from https://oss.sonatype.org/#stagingRepositories
• Add project to Sonar Cloud under https://sonarcloud.io/organizations/schweizerischebundesbahnen
• Add Sonar badges to README.md
• Remove '#' before sonar:sonar" in .github/workflows/maven-release.yml
• Branch protection rules must be extended for SonarCloud, Code Security and Analysis