feat: Initial search implementation using pagefind.

Sources/Docs/Templates/RenderArticles.swift

@@ -63,16 +63,16 @@ func renderYear<T>(context: PartitionedRenderingContext<T, ArticleMetadata>) ->
   baseRenderArticles(context.items, canocicalURL: "/articles/\(context.key)/", title: "Articles in \(context.key)")
 }
 
-private struct SearchData: Encodable, Identifiable {
-  let id: String
+private struct SearchData: Encodable {
+  let url: String
   let title: String
-  let content: String
+  let body: String
 
   init(article: Item<ArticleMetadata>) throws {
-    self.id = article.url
+    self.url = article.url
     self.title = article.title
     let rawContent: String = try article.absoluteSource.read()
-    self.content = Self.parse(rawContent)
+    self.body = Self.parse(rawContent)
   }
 
   /// Grabs the metadata (wrapped within `---`), the first title, and the body of the document.