feat: enhance podcast functionality and build pipeline

- Dynamically resolve image paths for podcast episodes in `episodes.11tydata.js`
- Add podcast metadata handling with inferred URLs for MP3 and transcripts
- Introduce search functionality with Lunr.js and a search index generator
- Update Eleventy path prefix handling to support environment variable override
- Add `.mp4` files to `.gitignore`
- Expand VSCode settings to include Markdown-Eleventy support and improved terminal history
- Add deployment script (`deploy.sh`) with remote rsync-based deployment and permission handling
- Adjust episode layout to use dynamic image paths and updated podcast metadata
- Add search and members page updates, including new URLs and search integration
- Update dependencies to include `html-to-text` and related packages for search indexing

layouts/episode.hbs

@@ -5,12 +5,12 @@ eleventyComputed:
 ---
 <div class="bg-body-tertiary p-4 my-2 rounded">
   <div class="row">
-    <div class="col"><img src="{{{this.url}}}../image.jpg" class="img-fluid"></div>
+    <div class="col"><img src="{{{this.image}}}" class="img-fluid"></div>
     <div class="col">
       <h1>{{#if title}}{{{title}}}{{else}}Episode {{episode}}{{/if}}</h1>
       Season {{season}}, Episode {{episode}} <br>
       <date>{{formatDate this.date "MMMM d, yyyy"}}</date><br>
-      {{#if podcast.enclosureUrl}}
+      {{#if podcast}}
       <a href="{{{podcast.enclosureUrl}}}">Download</a>
       {{#if podcast.transcriptUrl}}| <a href="{{{podcast.transcriptUrl}}}">Transcript</a>{{/if}}
       <div>