chore(#1): java skeleton

[h1alexbel]

ref #1

---

PR-Codex overview

This PR introduces GitHub Actions workflows for PDD, Xcop, Codecov, Docker release, and Maven. It also adds a new code-review-action with necessary configurations.

Detailed summary

• Added PDD workflow with rules
• Included Xcop workflow for XML and XSL files
• Implemented Codecov workflow for code coverage
• Created Docker release workflow for pushing images
• Added Maven workflow for testing Java applications
• Introduced code-review-action with GitHub token and API key inputs

The following files were skipped due to too many changes: src/main/java/git/tracehub/codereview/action/Entry.java, src/test/java/git/tracehub/codereview/action/EntryTest.java, pom.xml

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[codecov[bot]]

Welcome to Codecov :tada:

Once you merge this PR into your default branch, you're all set! Codecov will compare coverage reports and display results in all future pull requests.

Thanks for integrating Codecov - We've got you covered :open_umbrella: