Update dependencies and use Prettier

.babelrc

@@ -1,7 +1,7 @@
 {
   "presets": [
-    ["latest", {
-      "es2015": { "loose": true }
+    ["env", {
+      "loose": true
     }],
     "stage-1",
     "react"

.eslintrc

@@ -1,19 +1,15 @@
 {
-  "extends": "4catalyzer-react",
+  "extends": [
+    "4catalyzer-react",
+    "prettier"
+  ],
   "plugins": [
-    "babel"
+    "prettier"
   ],
   "globals": {
     "__DEV__": false
   },
   "rules": {
-    // FIXME: Temporary workaround pending fixing this upstream.
-    "generator-star-spacing": ["error", {
-      "before": false,
-      "after": true,
-      "method": "both"
-    }],
-    "semi": "off", // Use babel/semi instead for for-await support.
-    "babel/semi": ["error", "always"]
+    "prettier/prettier": "error"
   }
 }

README.md

@@ -11,8 +11,13 @@ Found uses [Redux](http://redux.js.org/) for state management and [Farce](https:
 ## Usage
 
 ```js
-import { createBrowserRouter, HttpError, makeRouteConfig, Redirect, Route }
-  from 'found';
+import {
+  createBrowserRouter,
+  HttpError,
+  makeRouteConfig,
+  Redirect,
+  Route,
+} from 'found';
 
 /* ... */
 
@@ -53,7 +58,7 @@ const BrowserRouter = createBrowserRouter({
         from="widget/:widgetId"
         to="/widgets/:widgetId"
       />
-    </Route>
+    </Route>,
   ),
 
   renderError: ({ error }) => (
@@ -172,7 +177,7 @@ const jsxRouteConfig = makeRouteConfig(
     <Route path="foo" Component={FooPage}>
       <Route path="bar" Component={BarPage} />
     </Route>
-  </Route>
+  </Route>,
 );
 ```
 
@@ -247,7 +252,7 @@ const routes = makeRouteConfig(
       <Route Component={WidgetsPage} />
       <Route path=":widgetId" Component={WidgetPage} />
     </Route>
-  </Route>
+  </Route>,
 );
 ```
 
@@ -971,8 +976,12 @@ import { routerShape } from 'found/lib/PropTypes';
 import Route from 'found/lib/Route';
 
 // Instead of:
-// import { createBrowserRouter, makeRouteConfig, Route, routerShape }
-//   from 'found';
+// import {
+//  createBrowserRouter,
+//  makeRouteConfig,
+//  Route,
+//  routerShape,
+// } from 'found';
 ```
 
 [build-badge]: https://img.shields.io/travis/4Catalyzer/found/master.svg