Adds hand labelers (#4903)

* Adds hand labelers

* Removes unnecessary thing

* Docs

* Reverts some changes

* Addresses comments and adds inhand sprites

* Addressed comments

Co-authored-by: Watermelon914 <3052169-Watermelon914@users.noreply.gitlab.com>

Content.Server/HandLabeler/Components/LabelComponent.cs

@@ -0,0 +1,18 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.HandLabeler.Components
+{
+    [RegisterComponent]
+    public class LabelComponent : Component
+    {
+        public override string Name => "Label";
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("currentLabel")]
+        public string? CurrentLabel { get; set; }
+
+        public string? OriginalName { get; set; }
+    }
+}