Arachnids: New markings, new organs sprites and chelicerae (#18177)

* New markings, new organs sprites and chelicerae

* Update locale

Resources/Textures/Mobs/Customization/Arachnid/appendages.rsi/meta.json

@@ -0,0 +1,47 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Made by PixelTheKermit (github) for SS14",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "long",
+      "directions": 4
+    },
+    {
+      "name": "sharp",
+      "directions": 4
+    },
+    {
+      "name": "stingers",
+      "directions": 4
+    },
+    {
+      "name": "curled",
+      "directions": 4
+    },
+    {
+      "name": "zigzag",
+      "directions": 4
+    },
+    {
+      "name": "chipped",
+      "directions": 4
+    },
+    {
+      "name": "harvest",
+      "directions": 4
+    },
+    {
+      "name": "short",
+      "directions": 4
+    },
+    {
+      "name": "web",
+      "directions": 4
+    }
+  ]
+}