chore/seo-titles

[Firgrep]

PR Author's Note

• renamed overrideTitle to seoTitle
• added some seoTitles for articles where it made sense, to help external links etc

Checklist

• Philosophical or literary contribution (docs). Leave unchecked for
  code contribution.

  • IMPLIED CONSENT By opening this pull request and contributing
    philosophical or literary content, I accept that my writing is submitted
    under the
    ATTRIBUTION-NONCOMMERCIAL-SHAREALIKE 4.0 INTERNATIONAL,
    which:

    • Prohibits commercial reuse of the content.
    • Allows sharing, remixing, and building upon the material as long as
      attribution is given.

    I understand that my writing may be modified, remixed, and built upon by
    others within the systemphil/sphil or sPhil project, in accordance
    with the license terms, indefinitely. See
    legal code.

  • REQUIRED I have followed the
    formatting guidelines
    and verified there are no formatting bugs.
    Try markdown preview here.

  • REQUIRED I have followed the
    Chicago author-date style.

  • REQUIRED I have added or verified metadata title, description, and
    contributors at the very top of the file followed by a ## title
    heading. Additionally, I have ensured isArticle is set to true.
    Example:

    ---
    title: The Immediate Difference Between Pure Being and Pure Nothing
    description:
        Learn about the difference between being and nothing in Hegel's
        Science of Logic.
    isArticle: true
    authors: Jerry Maguire (2024)
    editors: Steve Stevenson (2023), Karen Hansen (2022)
    contributors:
    ---
    
    ## My Article Title

    Further information

    I have signed the document with my name/username under either as
    Authors, Editors or Contributors.

    Use Authors if you have created and substantially added content.
    Use Editor if you have made substantial edits or review.
    Use Contributor if you have made minor edits, reviews or
    contributions.
    If you've done multiple, pick the most weighted: Author > Editor >
    Contributor.
    If you prefer to remain anonymous, that's fine too, but note that a
    record of your contributions based on your GitHub username will exist
    here in the codebase.

  • REQUIRED I have ensured that the
    project's central bibliography
    contains the necessary bibliographical details for the citations I have
    used.

  • Optional My article is a stub or I want to actively encourage
    contribution, I've added the Stub component to the bottom of my content
    or where relevant:

    import Stub from "@/components/Stub";
    
    <Stub />;

• If Docs contribution is unchecked: Code contribution
  (Apache version 2 license)

  All code apart of what is inside src/pages/** (excluding
  /contributing/**, _app.mdx, _document.tsx, _meta.json,
  acknowledgements.mdx, index.mdx, privacy.mdx, team.mdx, terms.mdx)
  is subject to Apache version 2 license. Basically, anything outside of
  content, literature, philosophy.