feat(#1): more ghas

[h1alexbel]

ref #1

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PR-Codex overview

This PR updates license headers and adds code quality tools to the project.

Detailed summary

• Updated license headers in various files
• Added .pdd file with code quality rules
• Added clippy.toml for linting rules
• Updated main.rs with license header
• Added license headers to .markdownlint.yml, .0pdd.yml, .yamllint.yml, .rultor.yml
• Added workflows for xcop, typos, pdd with license headers

The following files were skipped due to too many changes: .github/workflows/pdd.yml, .github/workflows/yamllint.yml, .github/workflows/reports-check.yml, .github/workflows/actionlint.yml, .github/workflows/cargo.yml, .github/workflows/license.yml, .github/workflows/year.yml, Cargo.toml, LICENSE.txt

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[h1alexbel]

@l3r8yJ take a look, please

[l3r8yJ]

@h1alexbel looks good to me!

[l3r8yJ]

@h1alexbel can you try to @rultor merge?

[h1alexbel]

@l3r8yJ we can't merge it with @rultor since we modified .rultor.yml in this pr