Tiny fans for freezers/shuttles (#9451)

Resources/Prototypes/Entities/Structures/Piping/Atmospherics/special.yml

@@ -0,0 +1,21 @@
+# Devices which are not portable but don't link up to anything
+- type: entity
+  id: AtmosDeviceFanTiny
+  name: tiny fan
+  description: A tiny fan, releasing a thin gust of air.
+  placement:
+    mode: SnapgridCenter
+  components:
+  - type: Physics
+    bodyType: Static
+  - type: Sprite
+    sprite: Structures/Piping/Atmospherics/tinyfan.rsi
+    state: icon
+    netsync: false
+  - type: Fixtures
+    fixtures:
+    - shape:
+        !type:PhysShapeAabb
+          bounds: "-0.5,-0.5,0.5,0.5"
+  - type: Airtight
+    noAirWhenFullyAirBlocked: false

Resources/Textures/Structures/Piping/Atmospherics/tinyfan.rsi/meta.json

@@ -0,0 +1,23 @@
+{
+    "version": 1,
+    "license": "CC-BY-NC-SA-3.0",
+    "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation/commit/40d89d11ea4a5cb81d61dc1018b46f4e7d32c62a",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "icon",
+            "directions": 1,
+            "delays": [
+                [
+                    0.01,
+                    0.01,
+                    0.01,
+                    0.01
+                ]
+            ]
+        }
+    ]
+}