add SimpleStopWatch to ActiveWorkoutSession

WorkoutsPlus/Features/Exercise/ExerciseEditor.swift

@@ -17,10 +17,13 @@ struct ExerciseEditor: View {
 		
 		@State private var name: String = ""
 		@State private var description: String = ""
-		@State private var metric: ExerciseMetric = .none
+		@State private var metric = ExerciseMetric.none
+		@State private var unit = ExerciseUnit(name: "", symbol: "")
 		
 		@State private var isPartOfProgression: Bool = false
 		
+		let exerciseUnits = ExerciseUnit.getUnits
+		
 		var body: some View {
 				NavigationStack {
 						VStack {
@@ -45,6 +48,12 @@ struct ExerciseEditor: View {
 																		}
 																}
 																.pickerStyle(SegmentedPickerStyle())
+																Picker("Select Exercise Unit", selection: $unit) {
+																		ForEach(exerciseUnits, id: \.self) { unit in
+																				Text("\(unit.name) (\(unit.symbol))").tag(unit as ExerciseUnit?)
+																		}
+																}
+																.pickerStyle(NavigationLinkPickerStyle())
 														}
 														Section(footer: Text("Feature coming soon.")) {
 																Toggle(isOn: $isPartOfProgression) {