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/search.hbs

@@ -0,0 +1,84 @@
+---
+layout: base-with-heading
+title: Search Episodes
+eleventyExcludeFromCollections: ["episode"]
+override:tags: []
+override:eleventyComputed: []
+---
+
+<script src="https://unpkg.com/lunr/lunr.js"></script>
+
+<div>
+  <form id="search-form">
+    <input type="text" class="form-control mb-3" name="searchQuery" id="searchQuery">
+    <button class="btn btn-primary mb-3" type="submit">Search</button>
+  </form>
+  <div id="results">
+    <ol></ol>
+  </div>
+</div>
+
+<script>
+  let idx, docs
+  let search_index_promise = fetch('../search-index')
+  .then((res)=>res.json())
+  .then((documents)=>{
+    docs = documents
+    idx = lunr(function(){
+      this.ref('id')
+      this.field('text')
+      this.field('title')
+      this.metadataWhitelist = ['position']
+      documents.forEach(function (doc, idx) {
+        doc.id = idx;
+        this.add(doc);
+        }, this)
+    })
+  })
+
+  function highlightTokens(element, tokens) {
+    const walker = document.createTreeWalker(element, NodeFilter.SHOW_TEXT, nodeFilter, false);
+    let node = null;
+
+    while ((node = walker.nextNode())) {
+      const text = node.textContent.toLowerCase();
+      let found = false;
+      for (var i = 0; i < tokens.length && !found; i++) {
+        const token = tokens[i].toString();
+        const startIndex = text.indexOf(token);
+        if (startIndex == -1) {
+          continue;
+        }
+        let range = document.createRange();
+        range.setStart(node, startIndex);
+        range.setEnd(node, startIndex + token.length);
+        let mark = document.createElement('mark');
+        range.surroundContents(mark);
+        found = true;
+      }
+      walker.nextNode();
+    }
+}
+
+  function handleSubmit(evt) {
+    evt.preventDefault();
+    const formData = new FormData(evt.target)
+    const {searchQuery} = Object.fromEntries(formData)
+    results = idx.search(searchQuery)
+    results.forEach(r => {
+      r.title = docs[r.ref].title,
+      r.url = docs[r.ref].url
+    })
+    console.log('Form submitted!', results)
+    results_ol = document.getElementById("results").querySelector('ol')
+    results_ol.innerHTML = ""
+    results.forEach(r => {
+      const el = document.createElement('li')
+      const {url, title, text, season, episode} = docs[r.ref]
+      el.innerHTML =`<a href="${url}">${title} (Season ${season}, episode ${episode})</a><p>${text}</p>`
+      results_ol.appendChild(el)
+    })
+   }
+   document.getElementById('search-form').addEventListener('submit', handleSubmit)
+   
+</script>