add copy and delete options to highlight list cards

apple/OmnivoreKit/Sources/App/Views/Highlights/HighlightsListCard.swift

@@ -10,16 +10,29 @@ struct HighlightsListCard: View {
   let highlightParams: HighlightListItemParams
   @Binding var hasHighlightMutations: Bool
   let onSaveAnnotation: (String) -> Void
+  let onDeleteHighlight: () -> Void
 
   var contextMenuView: some View {
     Group {
       Button(
-        action: {},
-        label: { Label("Stubby One", systemImage: "highlighter") }
+        action: {
+          #if os(iOS)
+            UIPasteboard.general.string = highlightParams.quote
+          #endif
+
+          #if os(macOS)
+            let pasteBoard = NSPasteboard.general
+            pasteBoard.clearContents()
+            pasteBoard.writeObjects([highlightParams.quote as NSString])
+          #endif
+
+          Snackbar.show(message: "Highlight copied")
+        },
+        label: { Label("Copy", systemImage: "doc.on.doc") }
       )
       Button(
-        action: {},
-        label: { Label("Stubby Two", systemImage: "textbox") }
+        action: onDeleteHighlight,
+        label: { Label("Delete", systemImage: "trash") }
       )
     }
   }

apple/OmnivoreKit/Sources/App/Views/Highlights/HighlightsListView.swift

@@ -18,14 +18,23 @@ struct HighlightsListView: View {
         ForEach(viewModel.highlightItems) { highlightParams in
           HighlightsListCard(
             highlightParams: highlightParams,
-            hasHighlightMutations: $hasHighlightMutations
-          ) { newAnnotation in
-            viewModel.updateAnnotation(
-              highlightID: highlightParams.highlightID,
-              annotation: newAnnotation,
-              dataService: dataService
-            )
-          }
+            hasHighlightMutations: $hasHighlightMutations,
+            onSaveAnnotation: {
+              viewModel.updateAnnotation(
+                highlightID: highlightParams.highlightID,
+                annotation: $0,
+                dataService: dataService
+              )
+            },
+            onDeleteHighlight: {
+              hasHighlightMutations = true
+
+              viewModel.deleteHighlight(
+                highlightID: highlightParams.highlightID,
+                dataService: dataService
+              )
+            }
+          )
         }
       }
     }

apple/OmnivoreKit/Sources/App/Views/Highlights/HighlightsListViewModel.swift

@@ -34,6 +34,11 @@ struct HighlightListItemParams: Identifiable {
     }
   }
 
+  func deleteHighlight(highlightID: String, dataService: DataService) {
+    dataService.deleteHighlight(highlightID: highlightID)
+    highlightItems.removeAll { $0.highlightID == highlightID }
+  }
+
   private func loadHighlights(item: LinkedItem) {
     let unsortedHighlights = item.highlights.asArray(of: Highlight.self)