Merge branch 'unit-formatting' of https://github.com/nothingTVatYT/FlaxEngine into nothingTVatYT-unit-formatting

# Conflicts:
#	Source/Editor/CustomEditors/Editors/ActorTransformEditor.cs
#	Source/Editor/Options/InterfaceOptions.cs
#	Source/Engine/Core/Math/Transform.h

Source/Engine/Scripting/Attributes/Editor/NumberCategoryAttribute.cs

@@ -0,0 +1,35 @@
+// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
+
+using System;
+
+namespace FlaxEngine
+{
+    /// <summary>
+    /// Used to specify the value category of a numeric value as either as-is (a scalar), a distance (formatted as cm/m/km)
+    /// or an angle (formatted with a degree sign).
+    /// </summary>
+    /// <seealso cref="System.Attribute" />
+    [Serializable]
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
+    public sealed class NumberCategoryAttribute : Attribute
+    {
+        /// <summary>
+        /// The value category used for formatting.
+        /// </summary>
+        public Utils.ValueCategory Category;
+
+        private NumberCategoryAttribute()
+        {
+            Category = Utils.ValueCategory.None;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NumberCategoryAttribute"/> class.
+        /// </summary>
+        /// <param name="category">The value category.</param>
+        public NumberCategoryAttribute(Utils.ValueCategory category)
+        {
+            Category = category;
+        }
+    }
+}