Add indicator view for PDF

Planet/Entities/ArticleModel.swift

@@ -36,6 +36,10 @@ class ArticleModel: ObservableObject, Identifiable, Equatable, Hashable {
         audioFilename != nil
     }
 
+    var hasPDF: Bool {
+        return attachments?.contains { $0.hasSuffix(".pdf") } ?? false
+    }
+
     init(
         id: UUID,
         title: String,

Planet/Views/Components/GIFIndicatorView.swift

@@ -50,3 +50,25 @@ struct VideoIndicatorView: View {
         }
     }
 }
+
+
+struct PDFIndicatorView: View {
+    var body: some View {
+        VStack {
+            Spacer()
+            HStack {
+                Text("PDF")
+                    .font(.system(size: 10, weight: .semibold, design: .monospaced))
+                    .foregroundColor(.white.opacity(0.85))
+                    .padding(.horizontal, 4)
+                    .padding(.vertical, 2)
+                    .background(Color.secondary.opacity(0.75))
+                    .cornerRadius(4)
+                    .multilineTextAlignment(.center)
+                Spacer()
+            }
+            .padding(.leading, 4)
+            .padding(.bottom, 4)
+        }
+    }
+}

Planet/Views/My/MyArticleGridView.swift

@@ -189,6 +189,9 @@ struct MyArticleGridView: View {
         }
         else if article.hasVideo {
             VideoIndicatorView()
+        }
+        else if article.hasPDF {
+            PDFIndicatorView()
         } else {
 
         }

Planet/versioning.xcconfig

@@ -1 +1 @@
-CURRENT_PROJECT_VERSION = 1865
+CURRENT_PROJECT_VERSION = 1866