Bump SDK version to 2.0.0 and Node App version to 3.0.0 for hardfork (#175)

Author: danield9tqh

package-lock.json

@@ -2,7 +2,7 @@
   "private": true,
   "name": "ironfish-node-app",
   "description": "Iron Fish Node App",
-  "version": "2.0.5",
+  "version": "3.0.0",
   "author": "IF Labs <[email protected]> (https://iflabs.network)",
   "main": "app/background.js",
   "scripts": {
@@ -22,7 +22,7 @@
   },
   "license": "MPL-2.0",
   "dependencies": {
-    "@ironfish/sdk": "1.20.0",
+    "@ironfish/sdk": "2.0.0",
     "electron-serve": "^1.1.0"
   },
   "devDependencies": {