add snapshot helper

Author: Timidan

hardhat.config.ts

@@ -35,6 +35,7 @@ require("./tasks/updateWearableExceptions");
 require("./tasks/deployXPDrop");
 require("./tasks/deployXPDrops");
 require("./tasks/verifyContracts");
+require("./tasks/snapshot.ts");
 
 // You have to export an object to set up your config
 // This object can have the following optional entries: