feat(Hintergrund): Erstellen, um den Hintergrund von Anmerkungen mit der Eigenschaft MarginRatio zu konfigurieren.

- verschiebt Anmerkungen nach

EnvelopeGenerator.Web/Models/Annotation/Annotation.cs

@@ -1,6 +1,6 @@
 using System.Text.Json.Serialization;
 
-namespace EnvelopeGenerator.Web.Models;
+namespace EnvelopeGenerator.Web.Models.Annotation;
 
 public record Annotation
 {

EnvelopeGenerator.Web/Models/Annotation/AnnotationParams.cs

@@ -1,13 +1,20 @@
 using System.Text.Json.Serialization;
 
-namespace EnvelopeGenerator.Web.Models;
+namespace EnvelopeGenerator.Web.Models.Annotation;
 
 public class AnnotationParams
 {
+    public AnnotationParams()
+    {
+        _annotationDictionaryInitor = new(() => _annots.ToDictionary(a => a.Name.ToLower(), a => a));
+    }
+
+    public Background? Background { get; init; }
+
     [JsonIgnore]
     public Annotation? DefaultAnnotation { get; init; }
 
-    private readonly IEnumerable<Annotation> _annots = new List<Annotation>();
+    private readonly List<Annotation> _annots = new List<Annotation>();
 
     public Annotation this[string name] => _annots.First(a => a.Name == name);
 
@@ -24,7 +31,7 @@ public class AnnotationParams
         get => _annots;
         init
         {
-            _annots = value;
+            _annots = value.ToList();
 
             if (DefaultAnnotation is not null)
                 foreach (var annot in _annots)
@@ -48,10 +55,10 @@ public class AnnotationParams
                         throw new InvalidOperationException($"{verBoundAnnotName} added as bound anotation. However, it is not defined.");
                 #endregion
             }
-
-            AnnotationDictionary = _annots.ToDictionary(a => a.Name.ToLower(), a => a);
         }
     }
 
-    public Dictionary<string, Annotation> AnnotationDictionary { get; private init; } = new();
+    private readonly Lazy<Dictionary<string, Annotation>> _annotationDictionaryInitor;
+
+    public Dictionary<string, Annotation> AnnotationDictionary => _annotationDictionaryInitor.Value;
 }

EnvelopeGenerator.Web/Models/Annotation/Background.cs

@@ -0,0 +1,6 @@
+namespace EnvelopeGenerator.Web.Models.Annotation;
+
+public class Background
+{
+    public int Margin { get; init; }
+}