Add version and fix data

public/data/weapons/genome-reaper.json

@@ -14,5 +14,6 @@
       "name": "Sin Stalker",
       "description": "Character's Move Speed buffs Physical and Elemental DMG of attacks. For every 10% Move Speed buff, gain 5.0% DMG (Max DMG buff: 35%). Character gains 20% Move Speed."
     }
-  ]
-}
+  ],
+  "version": 3.0
+}