Add weapon data

public/data/weapons/keys-of-the-void.json

@@ -0,0 +1,17 @@
+{
+  "id": "keys-of-the-void",
+  "name": "Keys of the Void",
+  "atk": 264,
+  "crt": 37,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Gates of Revelation",
+      "description": "[SP: 5][CD: 16s] Unleashes 3 energy shockwaves in front of character with a large interval in-between. Each shockwave deals 200% ATK of Physical DMG, knocks enemies airborne, and generates a Space Core. Space Core explosion deals 300% ATK of Physical DMG.Herrscher of the Void equip bonus: Space Core generated is buffed by the Herrscher's own abilities, deals another 150% ATK of Physical DMG and regain 60 Herrscher Charge."
+    },
+    {
+      "name": "Void Sigil",
+      "description": "Character deals 20% more Physical DMG and gains 30% Crit DMG."
+    }
+  ]
+}