Flora: rock fix (#7333)

Resources/Textures/Objects/Decoration/Flora/flora_rockssolid.rsi/meta.json

@@ -0,0 +1,20 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Taken from tgstation at commit https://github.com/tgstation/tgstation/commit/74bda160b97739cb9159dd19fe0800a5526735c0",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "rocksolid01"
+        },
+        {
+            "name": "rocksolid02"
+        },
+        {
+            "name": "rocksolid03"
+        }
+    ]
+}