feat(authors): opt-in author profiles with avatars, taglines, bios, links - #27

Changed pages include:

• podcast/2022-06-06-template-podcast-title-with-gilbert-sanchez/index.html - view
• podcast/2024-12-23-the-powershell-podcast-holiday-special-with-gilbert-sanchez-psscriptanalyzer-ast-and-powershell-gifts/index.html - view
• podcast/2025-06-23-the-powershell-podcast-the-dos-and-donts-of-powershell-with-steven-judd-and-gilbert-sanchez/index.html - view
• podcast/2025-08-11-the-powershell-podcast-psstucco-accessibility-and-the-power-of-templating-in-powershell-with-gilbert-sanchez-jake-hildreth/index.html - view