feat(jest): add jest config file

Author: Walker Leite

template/jest.config.js

@@ -0,0 +1,11 @@
+module.exports = {
+  "moduleFileExtensions": [
+    "js",
+    "json",
+    "vue"
+  ],
+    "transform": {
+    "^.+\\.js$": "babel-jest",
+      "^.+\\.vue$": "vue-jest"
+  }
+}