Adds the virology backpack. (#4979)

Resources/Prototypes/Entities/Clothing/Back/backpacks.yml

@@ -116,6 +116,17 @@
     sprite: Clothing/Back/Backpacks/science.rsi
   - type: Clothing
     sprite: Clothing/Back/Backpacks/science.rsi
+    
+- type: entity
+  parent: ClothingBackpack
+  id: ClothingBackpackVirology
+  name: virology backpack
+  description: A backpack made of hypo-allergenic fibers. It's designed to help prevent the spread of disease. Smells like monkey.
+  components:
+  - type: Sprite
+    sprite: Clothing/Back/Backpacks/virology.rsi
+  - type: Clothing
+    sprite: Clothing/Back/Backpacks/virology.rsi
 
 - type: entity
   parent: ClothingBackpack

Resources/Textures/Clothing/Back/Backpacks/virology.rsi/meta.json

@@ -0,0 +1,26 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Taken from tgstation at commit https://github.com/tgstation/tgstation/commit/547852588166c8e091b441e4e67169e156bb09c1",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "icon"
+    },
+    {
+      "name": "equipped-BACKPACK",
+      "directions": 4
+    },
+    {
+      "name": "inhand-left",
+      "directions": 4
+    },
+    {
+      "name": "inhand-right",
+      "directions": 4
+    }
+  ]
+}