Add weapon data

public/data/weapons/ap-turret.json

@@ -0,0 +1,13 @@
+{
+  "id": "ap-turret",
+  "name": "AP Turret",
+  "atk": 128,
+  "crt": 2,
+  "rarity": 3,
+  "skills": [
+    {
+      "name": "Penetrating Bullets",
+      "description": "[SP: 15][CD: 13s] Deploys the weapon, firing a penetrating bullet at a random enemy within range every 0.9s for the next 8s. The penetrating bullets explode, dealing 750 Physical DMG to enemies in a medium AOE."
+    }
+  ]
+}