Make atmos Turing-complete (#10520)

* Add pneumatic valves

Pneumatic valves permit bidirectional flow between the inlet and outlet
if the pressure at the control port is high enough.

* Add construction recipe

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

@@ -0,0 +1,19 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-4.0",
+  "copyright": "Kevin Zheng 2022",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "off",
+      "directions": 4
+    },
+    {
+      "name": "on",
+      "directions": 4
+    }
+  ]
+}