[WIP] Update readme with changes and resolve errors

[Copilot]

• Explore repository structure and understand current state
• Build the site
• Take screenshots of key pages (home, about, writing, golf, projects)
• Update README.md with:
  • Current tech stack (Astro v5)
  • Accurate workflow descriptions
  • Site feature overview
  • Screenshots embedded
  • Fix any outdated/incorrect references
• Fix broken localhost links in content files
• Run code review and security checks

Original prompt

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This section details on the original issue you should resolve

<issue_title>Update readme</issue_title>
<issue_description>Update the readme with changes, resolve errors from old site.
Add a couple images/screenshots from the page.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Update readme #112

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