Added RSS and Breadcrumbs to "tags" page

[woadey]

What does this PR change? What problem does it solve?
This commit cleans up the "tags" page by adding RSS/breadcrumbs, and reducing the tag elements size slightly.
The RSS can be configured with the param ShowRssButtonInSectionTermList

Was the change discussed in an issue or in the Discussions before?
Closes #1423

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

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud