Add weapon data

public/data/weapons/hyper-railguns.json

@@ -0,0 +1,17 @@
+{
+  "id": "hyper-railguns",
+  "name": "Hyper Railguns",
+  "atk": 287,
+  "crt": 19,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Megavolts",
+      "description": "[SP: 16][CD: 18s] Deals 2,300 Lightning DMG to enemies in a large AOE and paralyzes them for 4.00s."
+    },
+    {
+      "name": "Paralyzing Current",
+      "description": "3.0% chance to paralyze a target, preventing it from moving or attacking for 2.50s."
+    }
+  ]
+}