articles, clean up, error fixes

Sources/ArticlePages/CustomStory.swift

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+//
+// CustomStory.swift
+// IgniteSamples
+// https://www.github.com/twostraws/Ignite
+// See LICENSE for license information.
+//
+
+import Foundation
+import Ignite
+
+struct CustomStory: ArticlePage {
+    var body: some HTML {
+        if let image = article.image {
+            Image(image, description: article.imageDescription)
+                .resizable()
+        }
+
+        Text(article.title)
+            .font(.title1)
+
+        if let tagLinks = article.tagLinks() {
+            HStack(spacing: .xSmall) {
+                ForEach(tagLinks) { link in
+                    link.font(.title3)
+                }
+            }
+        }
+
+        Text(article.text)
+    }
+}

Sources/ArticlePages/Story.swift

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+//
+// Story.swift
+// IgniteSamples
+// https://www.github.com/twostraws/Ignite
+// See LICENSE for license information.
+//
+
+import Foundation
+import Ignite
+
+struct Story: ArticlePage {
+    var body: some HTML {
+        Text(article.title)
+            .font(.title1)
+
+        if let image = article.image {
+            Image(image, description: article.imageDescription)
+                .resizable()
+                .cornerRadius(20)
+                .frame(maxHeight: 300)
+        }
+
+        if let tags = article.tags {
+            Section {
+                Text("Tagged with: \(tags.joined(separator: ", "))")
+
+                Text("\(article.estimatedWordCount) words; \(article.estimatedReadingMinutes) minutes to read.")
+            }
+        }
+
+        Text(article.text)
+    }
+}