Add Git SVG icon

[iamlucasvieira]

Introduced a new Git icon in SVG format.

The icon can be used for self-hosted Git servers or repositories.

The Git icon is under the Creative Commons Attribution 3.0 Unported License. This license allows for the distribution, remixing, tweaking, and building upon the work, even commercially, as long as credit is given to the original creator, Jason Long.

closes #1309

PR Checklist

• This change adds/updates translations and I have used the template present here.
• I have enabled maintainer edits for this PR.
• 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 CDN resources/links.
• This change does not include any unrelated scripts such as bash and python scripts.
• This change updates the overridden internal templates from HUGO's repository.

[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[adityatelange]

Thanks @iamlucasvieira 👍