Add weapon data

public/data/weapons/hand-of-ymir.json

@@ -0,0 +1,17 @@
+{
+  "id": "hand-of-ymir",
+  "name": "Hand of Ymir",
+  "atk": 294,
+  "crt": 11,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Encroaching Fire",
+      "description": "Charged Cannon.1st Sequence: Single shot.2nd Sequence: Empowered double shot.3rd Sequence: Super-powered triple shot.Ranged DMG increases with range: attacks gain 4% Physical DMG for every 1 meter of distance to the target. Stacks up to 8 times."
+    },
+    {
+      "name": "Frost Hand",
+      "description": "[SP: 18][CD: 14s] Unleash a large AOE shock wave in front of the character, knocking enemies airborne and slowing their Move Speed and Attack Speed by 70% for 3s. The shock wave deals 12x40% ATK of Physical DMG. Character gains 60% faster Move Speed and Attack Speed for 5s after using the active skill."
+    }
+  ]
+}