Spawn with Random Offset component (#10969)

Adds SpawnRandomOffsetComponent, which can be used to randomly move a component on map init

Co-authored-by: wrexbe <wrexbe@protonmail.com>

Content.Server/Coordinates/SpawnRandomOffsetComponent.cs

@@ -0,0 +1,8 @@
+namespace Content.Server.Coordinates;
+
+[RegisterComponent]
+public sealed class SpawnRandomOffsetComponent : Component
+{
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("offset")] public float Offset = 0.5f;
+}