add jest config

Author: Alex Gogl

jest.config.js

@@ -0,0 +1,20 @@
+module.exports = {
+    moduleFileExtensions: ["js", "json", "vue"],
+    watchman: false,
+    moduleNameMapper: {
+      "^~/(.*)$": "<rootDir>/$1",
+      "^~~/(.*)$": "<rootDir>/$1",
+      "^@/(.*)$": "<rootDir>/$1"
+    },
+    transform: {
+      "^.+\\.js$": "<rootDir>/node_modules/babel-jest",
+      ".*\\.(vue)$": "<rootDir>/node_modules/vue-jest"
+    },
+    snapshotSerializers: ["<rootDir>/node_modules/jest-serializer-vue"],
+    collectCoverage: true,
+    collectCoverageFrom: [
+      "<rootDir>/components/**/*.vue",
+      "<rootDir>/pages/*.vue"
+    ]
+  };
+