Add weapon data

public/data/weapons/void-blade.json

@@ -0,0 +1,17 @@
+{
+  "id": "void-blade",
+  "name": "Void Blade",
+  "atk": 267,
+  "crt": 43,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "The Ouroboros",
+      "description": "[SP: 15][CD: 20s] Generates a Time Slow field that moves with the character. The field lasts 6.00s, during the character's basic attacks (including combo and charged attacks) gain 30.0% Crit Rate."
+    },
+    {
+      "name": "Energy Devourer",
+      "description": "After a one-time consumption of 10, 40, and 70 SP, gain 15%, 30%, or 45% Physical DMG respectively for 8s. This effect cannot stack."
+    }
+  ]
+}