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

package.json

@@ -21,6 +21,7 @@
     "dotenv": "^16.4.5",
     "handlebars-helpers": "^0.10.0",
     "html-minifier": "^4.0.0",
+    "html-to-text": "^9.0.5",
     "htmlparser2": "^9.1.0",
     "luxon": "^3.5.0",
     "markdown-it": "^14.1.0",