Added Circuitvend Art (#421)

*Circuitvend Sprite

*Amended vending_machines.yml to show sprite

Resources/Prototypes/_NF/Entities/Structures/Machines/vending_machines.yml

@@ -80,7 +80,7 @@
   - type: Advertise
     pack: AstroVendAds
   - type: Sprite
-    sprite: Structures/Machines/VendingMachines/robotics.rsi
+    sprite: _NF/Structures/Machines/VendingMachines/circuitvend.rsi
     layers:
     - state: "off"
       map: ["enum.VendingMachineVisualLayers.Base"]

Resources/Textures/_NF/Structures/Machines/VendingMachines/circuitvend.rsi/meta.json

@@ -0,0 +1,53 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation/commit/1516a728931b4985c1e86f0c5995a5aa1554a1ad and modified by [Data_Redacted]",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "normal-unshaded",
+      "delays": [
+        [
+          2.5,
+          0.05,
+          3.4,
+          0.05
+        ]
+      ]
+    },
+    {
+      "name": "broken"
+    },
+    {
+      "name": "deny-unshaded",
+      "delays": [
+        [
+          0.5,
+            2,
+            2
+        ]
+      ]
+    },
+    {
+      "name": "off"
+    },
+    {
+      "name": "panel"
+    },
+    {
+      "name": "eject-unshaded",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.8,
+          0.1,
+          0.1
+        ]
+      ]
+    }
+  ]
+}