Add weapon data

public/data/weapons/skadi-ondurgud.json

@@ -0,0 +1,17 @@
+{
+  "id": "skadi-ondurgud",
+  "name": "Skadi Ondurgud",
+  "atk": 285,
+  "crt": 24,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Wind of Thrymheim",
+      "description": "[SP: 4][CD: 22s] Large AOE ATK dealing 7x120% ATK of Ice DMG. Affected enemies attacking the wielder for the first time within 8.0s suffer 30% Total DMG Reduction debuff for that attack."
+    },
+    {
+      "name": "Goddess of Winter",
+      "description": "Character gains 20.0% Total DMG Multiplier. Argent Knight: Artemis equip bonus: Hits on enemies with Hypothermia recover 2.00 SP. CD: 4.0s."
+    }
+  ]
+}