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

content/episodes/s01/s01.11tydata.js

@@ -1,3 +1,4 @@
+const podcastData = require('../episodes.11tydata').eleventyComputed.podcast;
 
 module.exports =  {
   "season": 1,
@@ -6,8 +7,9 @@ module.exports =  {
   ],
   "stylesheets": ["/css/s04.css"],
   "eleventyComputed": {
-  "podcast": (data)=>({
-    "title": `E${data.episode}: ${data.title}`
-  })
+  "podcast": async (data)=>{
+    var result = {...await podcastData(data),"title": `E${data.episode}: ${data.title}`}
+    return result
   }
+}
 }