Melee refactor (#10897)

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Client/Weapons/Melee/Components/WeaponArcVisualsComponent.cs

@@ -0,0 +1,18 @@
+namespace Content.Client.Weapons.Melee.Components;
+
+/// <summary>
+/// Used for melee attack animations. Typically just has a fadeout.
+/// </summary>
+[RegisterComponent]
+public sealed class WeaponArcVisualsComponent : Component
+{
+    [ViewVariables, DataField("animation")]
+    public WeaponArcAnimation Animation = WeaponArcAnimation.None;
+}
+
+public enum WeaponArcAnimation : byte
+{
+    None,
+    Thrust,
+    Slash,
+}