switch to new format `babel.config.js` file

.babelrc

@@ -1,16 +0,0 @@
-{
-  "env": {
-    "development": {
-      "presets": ["react-native"],
-      "plugins": [
-        "transform-flow-strip-types"
-      ]
-    },
-    "publish": {
-      "presets": ["@invertase/react-native-syntax"],
-      "plugins": [
-        "transform-flow-strip-types"
-      ]
-    }
-  }
-}

babel.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+  env: {
+    development: {
+      presets: ['module:metro-react-native-babel-preset'],
+      plugins: ['transform-flow-strip-types'],
+    },
+    publish: {
+      presets: ['@invertase/react-native-syntax'],
+      plugins: ['transform-flow-strip-types'],
+    },
+  },
+};