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>

Resources/Textures/Objects/Tools/hand_labeler.rsi/meta.json

@@ -0,0 +1,22 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Taken from https://github.com/tgstation/tgstation at commit 44636483b7b2868b3e42c92205539f11f6d7968f. Inhand sprites by Macoron.",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "inhand-left",
+            "directions": 4
+        },
+        {
+            "name": "inhand-right",
+            "directions": 4
+        },
+        {
+            "name": "hand_labeler"
+        }
+    ]
+}