basic jest setup, update deps

Author: rob2d

babel.config.testing.js

@@ -0,0 +1,9 @@
+module.exports = {
+    "presets": [
+        "@babel/preset-env",
+        "@babel/preset-react"         
+    ],
+    "plugins": [
+        "@babel/plugin-transform-runtime"
+    ]
+};

jest.config.js

@@ -0,0 +1,7 @@
+// jest.config.js
+module.exports = {
+    transform: {
+      '\\.js$': ['babel-jest', { configFile: './babel.config.testing.js' }]
+    },
+    testEnvironment: "jsdom"
+  };