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

.eleventy.js

@@ -55,7 +55,7 @@ module.exports = function(eleventyConfig) {
 	});
 
   return {
-    pathPrefix:"blog",
+    pathPrefix: process.env.PATH_PREFIX || '/',
     dir: {
       data: "data",
       input: "content",