Improve licensing of Krmx

[simonkarman]

This includes:

• Add a license
• Add contributing guidelines and a code of conduct
• Create tags in git for published versions of the library
• Create releases in GitHub

[Copilot]

PR Overview

This PR aims to improve the Krmx repository by adding essential documentation and automating version tagging for published releases.

• Added CONTRIBUTING.md with detailed guidelines for contributors.
• Introduced CODE_OF_CONDUCT.md to foster a positive community environment.
• Updated GitHub workflows to automate tagging and version checks.
• Revised README.md to direct contributors to the new guidelines and code of conduct.

Reviewed Changes

File	Description
CONTRIBUTING.md	Added comprehensive contribution guidelines with minor typos.
CODE_OF_CONDUCT.md	Introduced a detailed code of conduct based on Contributor Covenant.
.github/workflows/publish.yml	Improved the publishing workflow with automated tag creation.
README.md	Updated sections to reference new contributing guides and license info.
.github/workflows/version.yml	Simplified version checking by using an external script.
features.md	Clarified starter application instructions with a direct link.

Copilot reviewed 28 out of 28 changed files in this pull request and generated 2 comments.