feat: add vuetify 2.0 to peerDependencies

Author: KaelWD

package.json

@@ -28,7 +28,7 @@
   },
   "peerDependencies": {
     "vue-template-compiler": "^2.5.0",
-    "vuetify": "^1.3.0",
+    "vuetify": "^1.3.0 || ^2.0.0",
     "webpack": "^4.0.0"
   },
   "optionalPeerDependencies": {