feat(i18n): add French translation

[m0hss]

What problem does this PR solve?

add French language

Is this PR adding a new feature?

add French language

Is this PR related to any issue or discussion?

#178

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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[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.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[m0hss]

just added the french language last PR has conflicts,
thank you for this awesome theme 😆

[hugo-sid]

Thanks @m0hss for adding French translation.