Add draft indicator, filter drafts, show issue count

CHDataManagement/Model/FileResource.swift

@@ -246,7 +246,7 @@ final class FileResource: Item {
 
     /**
      Get the url path to a file in the output folder.
-     The result is an absolute path from the output folder for use in HTML.
+     The result is an absolute path from the output folder for use in HTML, including a leading slash
      */
     var absoluteUrl: String {
         if let customOutputPath {

CHDataManagement/Model/FileType.swift

@@ -180,6 +180,15 @@ enum FileType: String {
         category == .image
     }
 
+    var generatesImageVersions: Bool {
+        switch self {
+        case .jpg, .png, .avif, .webp, .tiff:
+            return true
+        default:
+            return false
+        }
+    }
+
     var isVideo: Bool {
         category == .video
     }