Adding LLMContext generator to website.

docs/md_v2/core/llmtxt.md

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+<div class="llmtxt-container">
+<iframe id="llmtxt-frame" src="../../llmtxt/index.html" width="100%" style="border:none; display: block;" title="Crawl4AI LLM Context Builder"></iframe>
+</div>
+
+<script>
+// Iframe height adjustment
+function resizeLLMtxtIframe() {
+  const iframe = document.getElementById('llmtxt-frame');
+  if (iframe) {
+    const headerHeight = parseFloat(getComputedStyle(document.documentElement).getPropertyValue('--header-height') || '55');
+    const topOffset = headerHeight + 20;
+    const availableHeight = window.innerHeight - topOffset;
+    iframe.style.height = Math.max(800, availableHeight) + 'px';
+  }
+}
+
+// Run immediately and on resize/load
+resizeLLMtxtIframe();
+let resizeTimer;
+window.addEventListener('load', resizeLLMtxtIframe);
+window.addEventListener('resize', () => {
+    clearTimeout(resizeTimer);
+    resizeTimer = setTimeout(resizeLLMtxtIframe, 150);
+});
+
+// Remove Footer & HR from parent page
+document.addEventListener('DOMContentLoaded', () => {
+    setTimeout(() => {
+        const footer = window.parent.document.querySelector('footer');
+        if (footer) {
+            const hrBeforeFooter = footer.previousElementSibling;
+            if (hrBeforeFooter && hrBeforeFooter.tagName === 'HR') {
+                hrBeforeFooter.remove();
+            }
+            footer.remove();
+            resizeLLMtxtIframe();
+        }
+    }, 100);
+});
+</script>
+
+<style>
+#terminal-mkdocs-main-content {
+    padding: 0 !important;
+    margin: 0;
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+}
+
+#terminal-mkdocs-main-content .llmtxt-container {
+    margin: 0;
+    padding: 0;
+    max-width: none;
+    overflow: hidden;
+}
+
+#terminal-mkdocs-toc-panel {
+    display: none !important;
+}
+</style>