Nomad changes

docs/snippets/rust/metadata/metadata.md

@@ -0,0 +1,82 @@
+```rust title="Rust"
+use kreuzberg::{extract_file_sync, ExtractionConfig};
+
+fn main() -> kreuzberg::Result<()> {
+    let result = extract_file_sync("document.pdf", None, &ExtractionConfig::default())?;
+
+    if let Some(pdf_meta) = result.metadata.pdf {
+        if let Some(pages) = pdf_meta.page_count {
+            println!("Pages: {}", pages);
+        }
+        if let Some(author) = pdf_meta.author {
+            println!("Author: {}", author);
+        }
+        if let Some(title) = pdf_meta.title {
+            println!("Title: {}", title);
+        }
+    }
+
+    let html_result = extract_file_sync("page.html", None, &ExtractionConfig::default())?;
+    if let Some(html_meta) = html_result.metadata.html {
+        if let Some(title) = html_meta.title {
+            println!("Title: {}", title);
+        }
+        if let Some(desc) = html_meta.description {
+            println!("Description: {}", desc);
+        }
+
+        // Access keywords array
+        println!("Keywords: {:?}", html_meta.keywords);
+
+        // Access canonical URL (renamed from canonical)
+        if let Some(canonical) = html_meta.canonical_url {
+            println!("Canonical URL: {}", canonical);
+        }
+
+        // Access Open Graph fields as a map
+        if let Some(og_image) = html_meta.open_graph.get("image") {
+            println!("Open Graph Image: {}", og_image);
+        }
+        if let Some(og_title) = html_meta.open_graph.get("title") {
+            println!("Open Graph Title: {}", og_title);
+        }
+
+        // Access Twitter Card fields as a map
+        if let Some(twitter_card) = html_meta.twitter_card.get("card") {
+            println!("Twitter Card Type: {}", twitter_card);
+        }
+
+        // Access new fields
+        if let Some(lang) = html_meta.language {
+            println!("Language: {}", lang);
+        }
+
+        // Access headers
+        if !html_meta.headers.is_empty() {
+            for header in &html_meta.headers {
+                println!("Header (level {}): {}", header.level, header.text);
+            }
+        }
+
+        // Access links
+        if !html_meta.links.is_empty() {
+            for link in &html_meta.links {
+                println!("Link: {} ({})", link.href, link.text);
+            }
+        }
+
+        // Access images
+        if !html_meta.images.is_empty() {
+            for image in &html_meta.images {
+                println!("Image: {}", image.src);
+            }
+        }
+
+        // Access structured data
+        if !html_meta.structured_data.is_empty() {
+            println!("Structured data items: {}", html_meta.structured_data.len());
+        }
+    }
+    Ok(())
+}
+```