feat: add russian language

[kirill-zak]

What problem does this PR solve?

Add Russian language

Is this PR adding a new feature?

Add Russian language

Is this PR related to any issue or discussion?

Closes #144

PR Checklist

• I have verified that the code works as described/as intended.
• This change adds a social icon which has a permissive license to use it.
• This change does not include any external library/resources.
• This change does not include any unrelated scripts (e.g. bash and python scripts).
• I have enabled maintainer edits for this PR.

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[hugo-sid]

Thanks @kirill-zak for adding support for Russian language.

Can you include the appropriate configuration for the Russian language in exampleSite/config.toml as well?

[github-actions]

This PR exceeds the recommended size of 300 lines (counting both additions & deletions). Kindly ensure that you are NOT addressing multiple issues in one PR. We recommend you to create atomic PRs which focus on a single change.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[kirill-zak]

@hugo-sid I added an Russian version into example site and in exampleSite/config.toml

[hugo-sid]

Thanks @kirill-zak for contributing to Hugo blog awesome.