add ExerciseTemplate conecpt, fix UI elements

WorkoutsPlus/Exercise/ExerciseTemplate.swift

@@ -0,0 +1,33 @@
+//
+//  ExerciseTemplate.swift
+//  WorkoutsPlus
+//
+//  Created by Felix Förtsch on 25.08.24.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class ExerciseTemplate {
+		static var systemImage = "figure.run"
+		var name: String
+		//		var exerciseDescription: ExerciseDescription?
+		
+		var timestamp: Date = Date.now
+		
+		init(_ name: String = "") {
+				self.name = name
+		}
+		
+		static let sampleData: [ExerciseTemplate] = [
+				ExerciseTemplate("Dips"),
+				ExerciseTemplate("Chin-ups"),
+				ExerciseTemplate("Push-ups"),
+				ExerciseTemplate("Inverted Rows"),
+				ExerciseTemplate("Hanging Knee Raises"),
+				ExerciseTemplate("Pistol Squats"),
+				ExerciseTemplate("Hanging Leg Curls"),
+				ExerciseTemplate("Sissy Squats")
+		]
+}